The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.
Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.
The difference between stupidity and genius is that genius has its limits.
A person who never made a mistake never tried anything new.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Try not to become a man of success, but rather try to become a man of value.
We cannot solve our problems with the same thinking we used when we created them.
When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.
If you can't explain it simply, you don't understand it well enough.
The true sign of intelligence is not knowledge but imagination.
About Albert Einstein:
Was a German-born theoretical physicist. He developed the general theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Einstein's work is also known for its influence on the philosophy of science. Einstein is best known in popular culture for his mass–energy equivalence formula E = mc2 (which has been dubbed "the world's most famous equation"). He received the 1921 Nobel Prize in Physics for his "services to theoretical physics", in particular his discovery of the law of the photoelectric effect, a pivotal step in the evolution of quantum theory.