The greatest deception men suffer is from their own opinions.

The first thing you'll have to do, is the last thing you wished.

You are not a drop in the ocean. You are the entire ocean, in a drop.

Science is organized knowledge. Wisdom is organized life.

I have already joined myself in marriage to a husband, namely the kingdom of England.

There are things known and there are things unknown, and in between are the doors of perception.

If I speak of myself in different ways, that is because I look at myself in different ways.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence

Simplicity is the ultimate sophistication.

Fear doesn't exist anywhere except in the mind.

Those who cannot work with their hearts achieve but a hollow, half-hearted success that breeds bitterness all around.

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

Each day is a little life; every waking and rising a little birth; every fresh morning a little youth; every going to rest and sleep a little death.

He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.

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

What's real and what's true aren't necessarily the same.

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

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

Never argue with an idiot. They drag you down to their level and then beat you with experience.