There is simple ignorance, which is the source of lighter offenses, and double ignorance, which is accompanied by a conceit of wisdom.
Reason is a light that God has kindled in the soul.
It is a part of probability that many improbable things will happen.
The more you know, the more you know you don't know.
It is just that we should be grateful, not only to those with whose views we may agree, but also to those who have expressed more superficial views; for these also contributed something, by developing before us the powers of thought.
The aim of the wise is not to secure pleasure, but to avoid pain.
The least deviation from truth will be multiplied later.
Those that know, do. Those that understand, teach.
I count him braver who overcomes his desires than him who conquers his enemies; for the hardest victory is over self.
We must as second best, as people say, take the least of the evils.
