Think for yourself, or others will think for you without thinking of you.

If you know the enemy and know yourself you need not fear the results of a hundred battles.

Oh, I offended you with my opinion? You should hear the the ones I keep to myself.

How long are you going to wait before you demand the best for yourself?

I simply believe that some part of the human Self or Soul is not subject to the laws of space and time.

Only when we realize that there is no eternal, unchanging truth or absolute truth can we arouse in ourselves a sense of intellectual responsibility.

The world will ask you who you are, and if you don't know, the world will tell you.

I could not understand how any man could be so brutalized as to claim the right to dispose of the lives of others, nor how any man could be so lacking in self-esteem as to grant to others the right to dispose of his life.

If you compromise your own conscience, you will weaken your conscience. Soon your conscience will fail to guide you and you never will have real wealth based on peace of mind.

You alone are enough. You have nothing to prove to anybody.

It never ceases to amaze me: we all love ourselves more than others their opinions more than other people, but care more about their opinion than our own.

When you say 'yes' to others, make sure you are not saying 'no' to yourself.

The great decisions of human life have as a rule far more to do with the instincts and other mysterious unconscious factors than with conscious will and well-meaning reasonableness.

If you want material prosperity, you must first think prosperity thoughts, and then make a habit of doing so, for the thing that keeps most people poor is the sheer habit of poverty thinking.

You must try to observe yourself more and more objectively, to look at everything in yourself as though another person.

Men who reject the responsibility of thought and reason can only exist as parasites on the thinking of others.

You are the only person who thinks in your mind. You are the power and authority in your world.

If you spend too much time thinking about a thing, you'll never get it done.

You are today where your thoughts have brought you; you will be tomorrow where your thoughts take you.

He who has so little knowledge of human natures as to seek happiness by changing anything but his own disposition will waste his life in fruitless efforts.

Appearances to the mind are of four kinds. Things either are what they appear to be; or they neither are, nor appear to be; or they are, and do not appear to be; or they are not, and yet appear to be. Rightly to aim in all these cases is the wise man’s task.