Planets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect

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.

Mom's smiles were the most beautiful thing in the world, and they almost always made things better. They almost even made an early bedtime okay, but not quite.

What is the worth of anything But for the happiness 'twill bring?

I hope that the mistakes made and suffering imposed upon Japanese Americans nearly 60 years ago will not be repeated against Arab Americans whose loyalties are now being called into question.

There's the South Pole, said Christopher Robin, and I expect there's an East Pole and a West Pole, though people don't like talking about them.

Although believers by nature are far from God, and children of wrath, even as others, yet it is amazing to think how nigh they are brought to him again by the blood of Jesus Christ.

Every person is the right person to act. Every moment is the right moment to begin.

You bring the color and the life. It's a lucky man who is offered that color and life, and a wise one who values it.

I'm not big into images. I'm into reality.

There are no bad drugs. There's simply stupid people who don't know how to use them.

You can't always be friendly. It's impossible, there isn't the time.