There are very many people who read simply to prevent themselves from thinking.
The value of a college education is not the learning of many facts, but the training of the mind to think.
No, no, you are not thinking, you are just being logical.
As we get older, we realise that the rarest courage is that of thinking.
One cannot prevent people from thinking what they please.
It is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be ... This, in turn, means that our statesmen, our businessmen, our everyman must take on a science fictional way of thinking.
We all have a tendency to think that the world must conform to our prejudices. The opposite view involves some effort of thought, and most people would die sooner than think — in fact they do so.
Who am I? Subject and object in one — contemplating and contemplated, thinking and thought of. As both must I have become what I am.
Certainly thinking is pleasant, but the pleasure of thinking must be subordinated to the art of making decisions.
Science does not think and cannot think; indeed, that is what constitutes its chance, that which secures its own way of proceeding.
As long as men are free to ask what they must, free to say what they think, free to think what they will, freedom can never be lost and science can never regress.
One cannot think well, love well, sleep well, if one has not dined well.
When you arise in the morning, think of what a precious privilege it is to be alive - to breathe, to think, to enjoy, to love.
He who learns but does not think, is lost! He who thinks but does not learn is in great danger.
The less men think, the more they talk.
The most thought-provoking thing in our thought-provoking time is that we are still not thinking.
