The noblest pleasure is the joy of understanding.

An intelligent hell would be better than a stupid paradise.

Wisdom begins at the end.

If you don't like someone's story, write your own.

Intelligence is the ability to adapt to change.

To a wise and good man the whole earth is his fatherland.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

The secret of life, though, is to fall seven times and to get up eight times.

Nothing is as easy as it looks.

Rational discussion is useful only when there is a significant base of shared assumptions.

The wound is the place where the Light enters you.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

A wise man can learn more from a foolish question than a fool can learn from a wise answer.

A scholar who cherishes the love of comfort is not fit to be deemed a scholar.

The cure for pain is in the pain.

In moments of great grief, that’s where you look and immerse yourself. You realise you are not immortal, you are not a god, you are part of the natural world and you come to accept that.

Time flies over us, but leaves its shadow behind.

He alone is free who lives with free consent under the entire guidance of reason.

What can't be cured must be endured.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

It is better to be looked over than overlooked.