"Be careful of two men and guard yourself against them: the friend of your enemy and the enemy of your friend! " ~~ Mishle Yehoshua
"Man’s chief superiority over animals is his power of speech; if he abuses it, he is no higher than they." ~~ The Sassover Rabbi
"A body without wisdom is like a house without foundations." ~~ Mivchar Hapeninim
"The night was made that we might ponder on what we did by day." ~~ Leon of Modena
"The opposite of talking isn’t listening. The opposite of talking is waiting. " ~~ Fran Lebowitz
"To be a critic is easier than to be an author." ~~ Traditional Proverb
"The righteous are masters of their desires and the wicked—slaves to them. " ~~ Genesis (Bereshit) R.
"The man who has stopped hoping has stopped living." ~~ Peretz Smolenskin
"To stop thinking means to stop living." ~~ Mokher Sefarim Mendele
"The power of reasoning, with which God endowed man, makes man capable of perfection." ~~ Maimonides, Guide to the Perplexed 1:2
"The best worship is silence and hope." ~~ Ibn Gabirol
"The desire of the righteous is only good. " ~~ Proverbs (Mishle) 11:23