Piece of notepad paper with a pencil drawing of a flying angel with wings and a halo.

Handwritten note written in black, pink, and red marker on the back of page from a Staples calendar. The note contains quotes from Ecclesiastes and the South African Jewish philosopher, David Benatar. The quotes articulate the philosophical perspective, championed by Benatar, that procreation is not ethical.

Handwritten card in blue marker expressing condolences and affirming belief in the resilience of the Jewish people. Signed with the phrase "Am Yisrael Chai" (The People of Israel Live).

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside messages of condolence and prayer. The church's contact information is included on the back of the envelope.

Print outs with English and Hebrew lyrics from popular Jewish and Israeli artists and poets, including Hannah Szenes (Senesh), Arik Einstein, Matisyahu, and Rabbi Nachman of Breslov. A handwritten note in blue ink reading "May your memory be eternal" appears on the second page.

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of the words: "Don't Stop Believing." The back contains a handwritten note and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Zine page with bubble letters and information about the emotional value of hugs. Zine page with cartoon imagery and information about the value of hugs. A young boy hugs a globe, beneath the inscription: "Embrace the world one hug at a time."

Floral tag enclosed in white envelope from floral arrangement. The envelope is hand illustrated in blue ink with a tree in the center and has a hole punch in the upper left corner. The tag is addressed to Squirrel Hill and reads: "To the neighborhood that gave me my friends, my craft, my fiancee, my passion, and my livelihood, shine on, love on, heal on, grow and hug, and thrive and be gentle with one another. Heal. Heal. Heal. Love."

Card with photograph of flower. Handwritten text on front of envelope reads, "To: Tree of Life in sympathy and solidarity" and back of enveloped reads, "Won't you be my neighbor? Mr. Rogers." Handwritten interior of card expresses love for the Pittsburgh Jewish community and evokes Mr. Roger's: "We are called upon to remember the spirit of Mr. Rogers and love each and every one of our neighbors who make our community so wonderful."

Card on blue paper with handwritten note and illustrations. The card reads: "From: Luke. We love you!" Six hearts illustrated in brown and pink pencil appear throughout. Creasing, staining, and fading due to exposure to the elements at the Wilkins memorial.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "I'm praying for everyone that lost a love one. I will pray for everyone that died. Sincerely, Hannah [last name redacted]." Spelling errors corrected for clarity. Color bleeding due to water exposure at the memorial site.

White posterboard with dozens of hands in red and pink paint. Initialed in multiple colors by creators. The words "Hope and Love," peace signs, and Stars of David are scattered throughout.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Collage with a hand drawn tree with brown and black ink in the center; leaves made of multicolored tissue paper.

Note from a member of The Church at Severn Run in Severn, Maryland. The note is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside contains the sender's prayer for peace, love, and unity. The church's contact information is included on the back of the envelope.

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "Dear friend, I am so joyful that you exist! As the well-loved child of God, you have an infinite worth and deserve so much love. My prayer is that you begin or continue to understand this throughout your life. May your life continue to be blessed. I love you! Love, Your friend from the Church at Severn Run."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "I just want to send God's loving grace to you and your family to help you heal from the terrible act from a lost soul. We pray for you and everyone touched by this action. God Bless."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Friends, I offer my deepest sadness and sorrow for the loss that you all have experienced. In no ways can I understand what you're going through as a community, but I want you to know that you're not suffering alone. My heart is breaking for what is breaking yours. May you all know that your Christian brothers and sisters in faith are standing by your side and supporting you with unconditional love. We are all a family, so what hurts one hurts us all.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Friends, Words cannot express our sorrow the losses you all have endured. That your community of faith, love, peace was assaulted with such hatred and brokenness-our hearts ache for you all. We stand with you in faith and love in the face of such destruction. We stand with you in prayers for comfort and healing in the midst of your pain. We stand with you as a force for love in a hurting world. The [last name redacted] Family, Lauren, Joel, Kieran, Micah."