He that in the ordinary affairs of life would admit of nothing but direct plain demonstration would be sure of nothing in this world but of perishing quickly.
I think, therefore I am.
Mathematics is a more powerful instrument of knowledge than any other that has been bequeathed to us by human agency.
The ability to observe without evaluating is the highest form of intelligence.
Intelligence is the capacity to perceive the essential, the what is; and to awaken this capacity, in oneself and in others, is education.
All children are born geniuses; 9,999 out of every 10,000 are swiftly, inadvertently degeniusized by grownups.
I’m sure the universe is full of intelligent life. It’s just been too intelligent to come here.
Intelligence is really a kind of taste: taste in ideas.
I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forego their use.
I’ve always felt that a person’s intelligence is directly reflected by the number of conflicting points of view he can entertain simultaneously on the same topic.
The color of truth is gray.
The greatest intelligence is precisely the one that suffers the most from its own limitations.
There is no such thing as Intelligence; one has intelligence of this or that. One must have intelligence only for what one is doing.
The sage has one advantage: he is immortal. If this is not his century, many others will be.
The aim of argument, or of discussion, should not be victory, but progress.
For every studen with a spark of brilliance, there are about ten with ignition trouble.
The best buy by way of management is brains-at any price.
Anything that is worth teaching can be presented in many different ways. These multiple ways can make use of our multiple intelligences.
It’s not how smart you are that matters, what really counts is how you are smart.
Empathy and social skills are social intelligence, the interpersonal part of emotional intelligence. That’s why they look alike.