Freedom is not procured by a full enjoyment of what is desired but by controlling the desire.

It is impossible for a man to learn what he thinks he already knows.

Any person capable of angering you becomes your master.

Don't be concerned with other people's impressions of you. They are dazzled and deluded by appearances. Stick with your purpose. This alone will strengthen your will and give your life coherence.

There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will.

When you are offended at any man's fault, turn to yourself and study your own failings. Then you will forget your anger.

I have to die. If it is now, well then I die now; if later, then now I will take my lunch, since the hour for lunch has arrived - and dying I will tend to later.

From this instant on, vow to stop disappointing yourself. Separate yourself from the mob. Decide to be extraordinary and do what you need to do -- now.

Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business and none of yours.

Don't explain your philosophy. Embody it.

If someone speaks badly of you, do not defend yourself against the accusations, but reply; "you obviously don't know about my other vices, otherwise you would have mentioned these as well

A strategic victory seen as luck by laymen.

This world isn’t a fair place, because we never know how much time we’ve really got.

Joy has nothing to do with material things or with a man's outward circumstance ... a man living in the lap of luxury can be wretched and a man in the depths of poverty can overflow with joy.

The camera is cruel, so I try to be as good as I can to make things even.

Strive to make proposed solutions as self-executing as possible. As the degree of discretion increases, so too does bureaucracy, delay, and expense.

Words are not simple things: they take unto themselves, as they have through time, power and meaning.

In science we must be interested in things, not in persons.

I was very careful never to take an interesting job. If you have an interesting job, you get interested in it.

What makes me unique is that, I'm normal.