The best way of forgetting how you think you feel is to concentrate on what you know you know.

The best way of forgetting how you think you feel is to concentrate on what you know you know.

Whether you think you can, or you think you can't--you're right.

Whether you think you can, or you think you can't--you're right.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

An Englishman thinks seated; a Frenchman, standing; an American, pacing; an irishman, afterward.

An Englishman thinks seated; a Frenchman, standing; an American, pacing; an irishman, afterward.

It is neither good nor bad, but thinking makes it so.

It is neither good nor bad, but thinking makes it so.

We shall require a substantially new manner of thinking if
mankind is to survive.

We shall require a substantially new manner of thinking if
mankind is to survive.

I think-therefore I'm single

I think-therefore I'm single

Take time to deliberate; but when the time for action arrives, stop thinking and go in.

Take time to deliberate; but when the time for action arrives, stop thinking and go in.

A man is not idle because he is absorbed in thought. There is a visible labor and an invisible labor.

A man is not idle because he is absorbed in thought. There is a visible labor and an invisible labor.