Sometimes the probabilities are very close to certainties, but they're never really certainties

Enthusiasm is followed by disappointment and even depression, and then by renewed enthusiasm.

Modern education is like being taken to the world's greatest restaurant & being forced to eat the menu.

The world of the quark has everything to do with a jaguar circling in the night.

If someone says that he can think or talk about quantum physics without becoming dizzy, that shows only that he has not understood anything whatever about it.

Sustainability is living on nature's income rather than living on its capital.

Everything that is not forbidden is compulsory.

Niels Bohr brainwashed a whole generation of theorists into thinking that the job (interpreting quantum theory) was done 50 years ago.

You know, there was a time, just before I started to study physical science, when astronomers thought that systems such as we have here in the solar system required a rare triple collision of stars

Both biological and cultural diversity are now severely threatened and working for their preservation is a critical task.

I would recommend that skeptics devote even more effort than they do now to understanding the reasons why so many people want or need to believe.

The Kingdom of God is about peace, love, joy and righteousness

Care is a state in which something does matter it is the source of human tenderness.

Fiction is sort of a way to set the record straight, and let people at least believe that justice can be achieved and the right outcomes can occur.

It wasn't by accident that the Gettysburg address was so short. The laws of prose writing are as immutable as those of flight, of mathematics, of physics.

We've become obsessed with beauty and the fountain of youth and, frankly, I'm really saddened by the way women mutilate their faces today in search of that.

Why should we flagellate ourselves for what the Cambodians did to each other?

The flag still stands for freedom and they can't take that away.

By all means tell the world how good you are - but do it with actions, not words.

I'm the finance minister of a bankrupt country!