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.

Post-it note with handwritten message in blue marker. The message reads: "God is love. Love beats hate any day." Signed by Cecelia [last name redacted]."

Handwritten card from a student at Goddard Middle School in Littleton, Co. Cover features an illustration of an American flag and Israeli flag flanking a budding plant in the lower center, and a bilingual quote in English and Hebrew attributed to Ghandi in the upper center. In English, the quote reads: "Be the change you want to see in the world." The inside reads: "Dear Rabbi Jeffrey Myers, I am so sorry for your loss. It breaks my hear to hear about acts of Anti-Semitism. I am keeping you and your congregation in my heart and prayers.

Card from the Friendship Circle of Illinois. The front cover reads: "To the Jewish community of Pittsburgh sheyichyu (may they live)." The inside reads: "I heard what happened and give my fullest sympathy. I am heartbroken by what happened, and really hope moshiach (the Messiah) will come and you'll be united with your dear ones." Spelling errors corrected for clarity.

Handmade card in purple, blue, green, and black ink on white paper. Signed by Talia, Jacob, and Jayden. Illustrated with small hearts throughout. Smudging and staining due to exposure to the elements at the Wilkins memorial.

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover reads: "F.e.a.r. has two meanings- Forget everything and run OR Face everything and rise. The choice is yours." A star of David and cartoonish illustration of a smiling boy wearing a red baseball cap appear below; a shining sun in the upper right corner. The inside reads: "Dear Rabbi Jeffrey Myers, We are sorry for your loss and we hope you are recovering well. -Aiden G. Littleton, Colorado." Spelling errors corrected for clarity.

Hallmark card from a member of St. Peter's Episcopal Church in Londonderry, New Hampshire. The envelope features an illustrated heart. The front cover reads: "Peace" and features a sandy landscape with a blue sky and orange flowers. The inside reads: "We are sending you so much love- and will stand with you in peace forever- with you in peace. Steve and Bailey."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter is dated Nov. 4, 2018 and reads: "Dear Members of the Tree of Life Synagogue, An attack on your community of faith is an attack on all of us. We stand with you from afar, and renounce the hatred that brought that madman to your door. Our pastor, Karla Shaw, will deliver this letter (and many others) as a sign of our solidarity with your community. This is a tangible sign of our prayers for your community- for peace, for protection, for security, for understanding.

Card with illustrated sunflower. Inscribed in ink with the following message: "Hate cannot break our Steel City." Signed: "equal [=] love [heart] Star of David."

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 reads: "We [a]re with you. We love you. We care about you." 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 is enclosed in an envelope with church letterhead, reading: "The Church at Severn Run: Love Well, Live Jesus, Believe Big!" The note inside reads:

Folded card with colored pencil illustration. Front shows a tree, smiley face, and is signed "Beatrice." Inside features assorted illustrations including three balloons, two hearts and a star, and large smiley face. Back shows three balloons.

Post-it note with handwritten message in blue marker. The message reads: "We will love, no matter."

Handwritten card from a student at Goddard Middle School in Littleton, Co. The front cover contains the following quote: "The secret of CHANGE is to focus all of your energy not on fighting the old, but on building the new." An illustration of three flowers flanked by trees on either side, and a Star of David, appear below. The inside reads: "Dear Rabbi Jeffrey Myers, I am a 7th grade student at Goddard Middle School in Littleton, Colorado. I am sorry for your loss. Sincerely, Josie [redacted], Littleton, Colorado." The signature is accompanied by a heart.

Post-it note with handwritten message in green marker. The message reads: "Love Wins [heart]."

Post-it note with handwritten message in black marker. The message reads: "Jersey strong supports #pittsburghstrong. God bless you all!"

Post-it note with handwritten message in red marker. The note, which is written inside a heart, reads: "We love you guys." Two Stars of David appear on the lower right and center.

Handwritten letter written in black ink on lined notebook paper from Jennifer of Indiana, Pa.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The front and back covers of the card contain illustrated Stars of David. The inside reads: "One God... One Love... One World. I am sorry for your pain and suffering. May God Bless you all. Howard E. [last name redacted]." A Star of David appears in the upper center.