No children's book should be written for children.
Learn that with the same severity with which you judge, you will at some point be condemned. Learn that time is not something that can be turned back. And you learn...
Veronica Shoffstall
A sensible man can fall in love like a madman, but not like a fool.
Francois La Rochefoucauld
Even the powerful can need the weak.
Aesop
If fighting for the one we love is a sign of weakness, it is better to die fighting so that, in addition to being weak, we are not also a coward when giving up on a great love.
Leo Cruz
In fact, "nothing" is a word awaiting translation...
Humberto Gessinger