Most people would rather die than think; in fact, they do so. Bertrand Russell
A great many people think they are thinking when they are merely rearranging their prejudices. William James
We think in generalities, but we live in detail. Alfred North Whitehead
If everybody is thinking alike, then somebody isn’t thinking. George S Patton
As long as you’re going to be thinking anyway, THINK BIG. Donald Trump
There are no dangerous thoughts; thinking itself is dangerous. Hannah Arendt
No, no, you’re not thinking; you’re just being logical. Niels Bohr
Readers are plentiful: thinkers are rare. Anthony Burgess
Never express yourself more clearly than you are able to think. Niels Bohr
To think is to differ. Clarence Darrow
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours. John Locke
There are lots of people who can’t think seriously without injuring their brains. John Jay Chapman
Think wrongly, if you please, but in all cases think for yourself. Doris Lessing
As soon as you can say what you think, and not what some other person has thought for you, you are on your way to being a remarkable man. J M Barrie
There is no doubt about it, as one grows older, one thinks more. Vita Sackville-West
You have to allow a certain amount of time in which you are doing nothing in order to have things occur to you, to let your mind think. Mortimer Adler
Doublethink means the power of holding two contradictory beliefs in one’s mind simultaneously, and accepting both of them. George Orwell
There are mighty few people who think what they think they think. Robert Henri
One can only learn his powers of action by action, and his powers of thought by thinking. John Burroughs
I think, therefore I am is the statement of an intellectual who underrates toothaches. Milan Kundera
Americans seem sometimes to believe that if you are a thinker you must be a frowning bore, because thinking is so damn serious. Jacques Maritain
The third-rate mind is only happy when it is thinking with the majority. The second-rate mind is only happy when it is thinking with the minority. The first-rate mind is only happy when it is thinking. A A Milne
People everywhere enjoy believing things that they know are not true. It spares them the ordeal of thinking for themselves and taking responsibility for what they know. Brooks Atkinson
Cogito ergo sum. (I think; therefore I am.) Rene Descartes
There is no expedient to which a man will go to avoid the real labor of thinking. Thomas Alva Edison