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.

Clear thinking requires courage rather than intelligence.

Clear thinking requires courage rather than intelligence.

You can fool too many of the people too much of the time.

You can fool too many of the people too much of the time.

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.

Think wrongly, if you please, but in all cases think for yourself.

Think wrongly, if you please, but in all cases think for yourself.

I think-therefore I'm single

I think-therefore I'm single

I think of life as a good book. The further you get into it, the more it begins to make read more

I think of life as a good book. The further you get into it, the more it begins to make sense.

A man who does not think for himself does not think at all.

A man who does not think for himself does not think at all.

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.