The earth is the very quintessence of the human condition.

The trouble with lying and deceiving is that their efficiency depends entirely upon a clear notion of the truth that the liar and deceiver wishes to hide.

Wherever the relevance of speech is at stake, matters become political by definition, for speech is what makes man a political being.

Economic growth may one day turn out to be a curse rather than a good, and under no conditions can it either lead into freedom or constitute a proof for its existence.

Economists agree about economics - and that's a science - and they disagree about economic policy because that's a value judgment... I've had profound disagreements on policy with the famous Milton Friedman. But, on economics, we agree.

Philosophy was once considered science.

There are so few movies that still cast on chemistry. Now it's often, like, this person's movies make this amount of money, and this person's movie makes that amount of money, so let's put them together.

Researchers should always consider ethical concerns on scientific research and disclose their data to the public. Scientists also need to discuss issues surrounding their research with those who are concerned.