Author: Albert Einstein

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

(1879 – 1955) German-born physicist

Common sense is the collection of prejudices acquired by the age of eighteen.

(1879 – 1955) German-born physicist

The secret to creativity is knowing how to hide your sources.

(1879 – 1955) German-born physicist

To punish me for my contempt for authority, fate made me an authority myself.

(1879 – 1955) German-born physicist

Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.

(1879 – 1955) German-born physicist

I have become rather like King Midas, except that everything turns not into gold but into a circus.

(1879 – 1955) German-born physicist

If the facts don't fit the theory, change the facts.

(1879 – 1955) German-born physicist

Reality is merely an illusion, albeit a very persistent one.

(1879 – 1955) German-born physicist

If we knew what it was we were doing, it would not be called research, would it.

(1879 – 1955) German-born physicist

Insanity: doing the same thing over and over again and expecting different results.

(1879 – 1955) German-born physicist

You do not really understand something unless you can explain it to your grandmother.

(1879 – 1955) German-born physicist

I have reached an age when, if someone tells me to wear socks, I don't have to.

(1879 – 1955) German-born physicist

The most powerful force in the universe is compound interest.

(1879 – 1955) German-born physicist

The hardest thing in the world to understand is the income tax.

(1879 – 1955) German-born physicist

Not everything that can be counted counts, and not everything that counts can be counted.

(1879 – 1955) German-born physicist

Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves.

(1879 – 1955) German-born physicist

Gravitation can not be held responsible for people falling in love.

(1879 – 1955) German-born physicist

Why is it that nobody understands me and everybody likes me?

(1879 – 1955) German-born physicist

If A is a success in life, then A equals x plus y plus z; work is x; y is play; and z is keeping your mouth shut.

(1879 – 1955) German-born physicist

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

(1879 – 1955) German-born physicist

Science is a wonderful thing if one does not have to earn one’s living at it.

(1879 – 1955) German-born physicist