"A thorn defends the rose, harming only those who would steal the blossom."

"A child's life is like a piece of paper on which every person leaves a mark."

"A thousand cups of wine do not suffice when true friends meet, but half a sentence is too much when there is no meeting of minds."

"Keep your broken arm inside your sleeve."

"A nation's treasure is in its scholars."

"Do good, reap good; do evil, reap evil."

"A classic is a book that doesn't have to be written again."

"The game of life is not much in holding a good hand, as in playing a poor hand well."

"The Romans would never have found time to conquer the world if they had been obliged first to learn Latin."

"Most of us would like to be smarter than we are, stronger than we are, richer than we are, but we don't feel all that comfortable with people who are."

"Our observation of nature must be diligent, our reflection profound, and our experiments exact. We rarely see these three means combined; and for this reason, creative geniuses are not common."

"To know one's self, one must go all the way to horror."