Every aquarium will eventually leak.

When prosperity comes, do not use all of it.

Jealousy is the tribute mediocrity pays to genius.

So many people have this idea: I want to achieve something great or be somebody great. And they neglect the step that leads to greatness. They don't honor this step at this moment because they have this idea of some future moment where they are going to be great.

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

Time wounds all heels.

He who chooses the beginning of the road chooses the place it leads to.

The smaller the mind, the greater the conceit.

Chaos is a name for any order that produces confusion in our minds.

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

The only way to get the best of an argument is to avoid it.

Things which matter most must never be at the mercy of things which matter least.

Work is the price which is paid for reputation.

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

Gravity is only the bark of wisdom's tree; but it preserves it

The only real mistake is the one from which we learn nothing.

The only real laughter comes from despair.

An intelligent hell would be better than a stupid paradise.

We may encounter many defeats but we must not be defeated.

A man may imagine things that are false, but he can only understand things that are true.

Medicine heals diseases of the body, wisdom frees the soul from passions.