Julie Anne Peters (1952) American writer
Source: By the Time You Read This, I'll Be Dead
Variant: dont be afraid of death, be afraid of the unlived life.
Source: Tuck Everlasting
Julie Anne Peters (1952) American writer
Source: By the Time You Read This, I'll Be Dead
Natalie Babbitt (1932–2016) American children's writer and illustrator
Variant: Don't be afraid of death; be afraid of an unlived life. You don't have to live forever, you just have to live.
Source: Tuck Everlasting: Scholastic Book Guides
Edward Abbey (1927–1989) American author and essayist
Misattributed
Mark Twain (1835–1910) American author and humorist
Not by Twain, but from Edward Abbey's A Voice Crying In The Wilderness (1989).
Misattributed
“People who fear death live no longer than those who don't, and live scared.”
The Wizard Knight (2004), Volume 1: The Knight, Ch. 62
Fiction
“Until we know that death is equal to life, we live in fear.”
Byron Katie (1942) American spiritual writer
Loving What Is: Four Questions That Can Change Your Life (2002)
“Less base the fear of death than fear of life.”
Source: Night-Thoughts (1742–1745), Night V, Line 441.
“It is not death that a man should fear, but he should fear never beginning to live.”
Adam Silvera book They Both Die at the End
Marcus Aurelius, p. 225
They Both Die at the End (2017)