Force never moves in a straight line, but always in a curve vast as the universe, and therefore eventually returns whence it issued forth, but upon a higher arc, for the universe has progressed since it started.
Kabbalah
Ask a lot, but take what is offered.
Assyrian Proverb
What do you call a boomerang that doesn't work? A stick!
Kirchenbaum
Anything not worth doing is worth not doing well. Think about it.
Elias Schwartz
Teach thy tongue to say I do not know and thou shalt progress.
Maimonides
Who is a wise man He who learns of all men.
The Talmud
Words are the pen of the heart, but music is the pen of the soul.
Shneur Zalman
The curiosity to know things has been given to man as a scourge.
Apocrypha
Erring, I wandered in the wilderness,
In passion's grave nigh sinking, powerless;
Now deeply I repent, in sore distress,
That I kept not the statutes of the King!