Wisdom is an affair of values, and of value judgments. It is intelligent conduct of human affairs.

Everyone who remembers his own education remembers teachers, not methods and techniques. The teacher is the heart of the educational system.

Tolerance always has limits - it cannot tolerate what is itself actively intolerant.

To silence criticism is to silence freedom.

I was guilty of judging capitalism by its operations and socialism by its hopes and aspirations; capitalism by its works and socialism by its literature.

The easiest rationalization for the refusal to seek the truth is the denial that truth exists.

Fear of death has been the greatest ally of tyranny past and present.

The difference between science and religion is that the former wishes to get rid of mysteries whereas the latter worships them.

Nonetheless, it still remains true that as a set of cognitive beliefs, religious doctrines constitute a speculative hypothesis of an extremely low order of probability.

In contrast to totalitarianism, democracy can face and live with the truth about itself.

Before impugning an opponent's motives, even when they legitimately may be impugned, answer his arguments.

I love to move like a mouse inside this puzzle for the body, balancing the wish to be lost with the need to be found.

It is not according to my mode of doing things, to bring a suit against a man that I have the power in my own hands to punish.

If there be a man before me who says that the wrath of God is too heavy a punishment for his little sin, I ask him, if the sin be little, why does he not give it up?

When we rise above our temptations and resist them, we exercise self-control. And that's when we experience true freedom and emotional health.

It is exciting to work with students thinking about issues of the day, from closing the achievement gap to finding a cure for cancer.

If I'm anywhere close to where I can hike or swim, that's my favourite thing to do.

The deft white-stockinged dance in thick-soled shoes! Denmark's sanctuaried Jews!

Life is way too short to fly coach.

I don't have the pressure of being a world-famous bombshell that has detonated.