“You have watched the Titans walk the Earth … and you have kept stride. Perhaps you are more like them than you realize. You exist … to give hope.”
Kingdom Come (1996)
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Mark Waid 8
American comics writer 1962Related quotes
“Perhaps watching someone you love suffer can teach you even more than suffering yourself can.”
Source: I Capture the Castle

This quotation was first used in print (and misattributed to Leonardo da Vinci) in a science fiction story published in 1975, The Storms of Windhaven. One of the authors, Lisa Tuttle, remembers that the quote was suggested by science fiction writer Ben Bova, who says he believes he got the quote from a TV documentary narrated by Fredric March, presumably I, Leonardo da Vinci, written by John H. Secondari for the series Saga of Western Man, which aired on 23 February 1965. Bova incorrectly assumed that he was quoting da Vinci. The probable author is John Hermes Secondari (1919-1975), American author and television producer.
Misattributed
Variant: For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.

Misattributed
Source: Darryl Hannah http://www.idolpleasures.com/daryl_hannah.shtml.

“Run when you can, walk if you have to, crawl if you must; just never give up.”