Small opportunities are often the beginning of great enterprises.

I decline to buy repentance at the cost of ten thousand drachmas.

The end of wisdom is consultation and deliberation.

All speech is vain and empty unless it be accompanied by action.

Nothing is so easy as to deceive one's self; for what we wish, that we readily believe; but such expectations are often inconsistent with the real state of things.

Whatever shall be to the advantage of all, may that prevail!

Since we are not yet fully comfortable with the idea that people from the next village are as human as ourselves, it is presumptuous in the extreme to suppose we could ever look at sociable, tool-making creatures who are from other evolutionary paths and see not beasts, but brothers, not rivals, but fellow pilgrims journeying to the shrine of intelligence...The difference... is not in the creature judged, but in the creature judging.