It is not enough to have a good mind. The main thing is to use it well. Rene Descartes

• intelligence

Curiosity is one of the permanent and certain characteristics of a vigorous mind. Samuel Johnson

• intelligence

The intellect is not a serious thing, and never has been. It is an instrument on which one plays, that is all. Oscar Wilde

• mind
• intelligence
• intellect

Great minds discuss ideas; average minds discuss events; small minds discuss people. Hyman Rickover

• mind
• ideas
• intelligence
• gossip

We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality. Albert Einstein

• intellect
• intelligence
• mind

I'm no genius. I'm smart in spots, and I stay around those spots. Thomas Watson Sr.

• intelligence

Intelligent people make decisions based on opportunity costs. Charlie Munger

• intelligence
• judgment

Only great minds can afford a simple style. Stendal

• intelligence
• intellect
• fashion

The brain is a flawed lens through which to see reality. This is true of both mouse brains and human brains. But a human brain is a flawed lens that can understand its own flaws - its systematic errors, its biases - and apply second-order corrections to them. This, in practice, makes the flawed lens far more powerful. Not perfect, but far more powerful. Eliezer Yudkowsky

• intelligence
• reason

This is the source.

It has long been my belief that the sight of a good-looking woman lowers a man's IQ by at least 20 points. A man who doesn't happen to have 20 points he can spare can be in big trouble. Thomas Sowell

• intelligence
• women

People who lack the cognitive skills to perform a task typically also lack the metacognitive skills required to assess their performance. Incompetent people are at a double disadvantage, since they are not only incompetent but also likely unaware of it. Erik Angner

• skill
• intelligence