Underlying many aspects of water development is a myth: the myth that we must have more.

In the 1940s dams were synonymous with progress, and the rivers were to be conquered with the fervour of a pioneer wielding an axe.

Water is always working, reorganizing the land.

It is not triumph which defines a man, but tragedy. Triumph always brings out the best in men, but tragedy shows us what we are made of.

No matter how good you act to be tough, your emotions will flow without your control...

We don't see things as they are, we see them as we are.

Warm-heartedne ss and concern for others’ well-being are a condition for happiness, whether you are religious or not.

What's amazing about the show ["Girls"] - the first (season) is about the girls and then the second (season) is about the boys as well. There's something so human about it.

Israel has gone mad. It's attacking, doing the same thing to the Palestinian and Lebanese people that they have criticised - and with reason - the Holocaust . But this is a new Holocaust.

But what is your duty? What the day demands. [Ger., Was aber ist deine Pflicht? Die Forderung des Tages.]

For us scientists, on the other wing, life is not quite so simple. Because we learn the unknown. Unlike, hah-hah, our esteemed friends the philosophers, who learn the unknowable.

The oldest sibling always knows things that the younger ones don't.

I hardly ever write when I'm just feeling great.