Who said “We are all at times unconscious prophets.”?

“Beware the ides of March.”

“With prophecies the commentator is often a more important man than the prophet.”

“Prophecy is the most gratuitous form of error.”

“The are and practice of selling one's credibility for future delivery.”

“Man has an incurable habit of not fulfilling the prophecies of his fellow men.”

“Of two evils, choose neither.”

“By perseverance the snail reached the ark.”

“Wisdom is, I suppose, the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom.”

“Giving is true having.”

“The wishing gate opens into nothing.”

“It is not well to make great changes in old age.”