Quote

To think is of itself to be useful; it is always and in all cases a striving toward God.

Collecting facts is important. Knowledge is important. But if you don't have an imagination to use the knowledge, civilization is nowhere.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

We only think when we are confronted with problems.

Thinking - in particular abstract thinking, which most of us are introduced to through the study of mathematics and literature - helps us learn that we can become problem solvers.

Thought must be divided against itself before it can come to any knowledge of itself.

A study of the history of opinion is a necessary preliminary to the emancipation of the mind.

Thinking clearly and effectively is the greatest asset of any human being.

We must always think about things, and we must think about things as they are, not as they are said to be.

There are thoughts we must not think.