Men become wise just as they become rich, more by what they save than by what they receive.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Knowing yourself is the beginning of all wisdom.

We are all born ignorant, but one must work hard to remain stupid

I've never known any trouble than an hour's reading didn't assuage.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

The future is uncertain but the end is always near.

Don't criticize what you don't understand, son. You never walked in that man's shoes.

What's done can't be undone.

Every intelligent individual wants to know what makes him tick, and yet is at once fascinated and frustrated by the fact that oneself is the most difficult of all things to know.

Where wisdom reigns, there is no conflict between thinking and feeling.

The greatest deception men suffer is from their own opinions.

Never do anything when you are in a temper, for you will do everything wrong.

Be sure you put your feet in the right place, then stand firm.

What you're thinking is what you're becoming.

The very essence of instinct is that it's followed independently of reason.

None but ourselves can free our minds.

In moments of great grief, that’s where you look and immerse yourself. You realise you are not immortal, you are not a god, you are part of the natural world and you come to accept that.

If we do not lay out ourselves in the service of mankind whom should we serve?

The more that you read, the more things you will know. The more that you learn, the more places you'll go.