What further helps to reveal reality is when our personal thinking ceases to take reality for granted.

Faith is an oasis in the heart which will never be reached by the caravan of thinking.

Think before you think!

Think like a man of action, act like a man of thought.

Could it think, the heart would stop beating.

A man is what he thinks about all day long.

Man is not what he thinks he is, but what he thinks, he is.

If everybody is thinking alike, then somebody isn't thinking.

The most difficult thing in the world is to say thinkingly what everybody says without thinking.

I like to think of thoughts as living blossoms borne by the human tree.

Thinking is harder work than hard work.

The trouble is that thinking looks like loafing. Who wants to pay people for daydreaming?

To think is to differ.

Clear thinking requires courage rather than intelligence.

Many highly intelligent people are poor thinkers. Many people of average intelligence are skilled thinkers. The power of a car is separate from the way the car is driven.

It's much easier to do and die than it is to reason why.

Men fear thought as they fear nothing else on earth - more than ruin, more even than death.

If you make people think they're thinking they'll love you: but if you really make them think, they'll hate you.

A great many people think they are thinking when they are merely rearranging their prejudices.

If everybody thought before they spoke, the silence would be deafening.