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.

Reason, Observation, and Experience -- the Holy Trinity of Science.

Reason, Observation, and Experience -- the Holy Trinity of Science.

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

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

I don't pretend we have all the answers. But the questions are certainly worth thinking about.

I don't pretend we have all the answers. But the questions are certainly worth thinking about.

There are some days I practice positive thinking, and other days I'm not positive I am thinking.

There are some days I practice positive thinking, and other days I'm not positive I am thinking.

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

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

You can observe a lot by just watching.

You can observe a lot by just watching.

What if you could be anything, or anybody, you chose to be? Think about it. What would you choose to read more

What if you could be anything, or anybody, you chose to be? Think about it. What would you choose to be?

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.