Time is nature's way of keeping everything from happening at once.

Yes, there is happiness to be found in the mere contemplation of the deepest mysteries.

I like to say, when asked why I pursue science, that it is to satisfy my curiosity, that I am by nature a searcher trying to understand. If you haven’t found something strange during the day, it hasn’t been much of a day.

Anyone who expects to create, be it as a scientist or artist, scholar or writer, needs self-confidence, even bravado. How else can one dare to imagine understanding what no one else has understood, discovering what no one else has discovered? Where does this confidence come from? Fortunately, every young person is blessed with some of it. It is part of human character.

But some numbers, called dimensionless numbers, have the same numerical value no matter what units of measurement are chosen. Probably the most famous of these is the “fine-structure constant,”... Physicists love this number not just because it is dimensionless, but also because it is a combination of three fundamental constants of nature.

Nobody can be anybody without somebodies around.

Of all heroes, Spinoza was Einstein ’s greatest. No one expressed more strongly then he a belief in the harmony, the beauty, and most of all the ultimate comprehensibility of nature .

To hate is to study, to study is to understand, to understand is to appreciate, to appreciate is to love. So maybe I’ll end up loving your theory.

Surely where there’s smoke there’s fire? No, where there’s so much smoke there’s smoke.

If you haven’t found something strange during the day, it hasn’t been much of a day.