Anyone can be a genius, if they pick just one specific subject and study it diligently just 15 minutes each day.

No one must think that Newton’s great creation can be overthrown in any real sense by this [Theory of Relativity] or by any other theory. His clear and wide ideas will for ever retain their significance as the foundation on which our modern conceptions of physics have been built.

Our entire much-praised technological progress, and civilization generally, could be compared to an axe in the hand of a pathological criminal.

Many a young lady does not realize just how strong her love for a young man is until he fails to pass the approval test with her parents. There is no fear in love; but perfect love casteth out fear. Of all forms of caution, caution in love is the most fatal. There are only two truly infinite things, the universe and stupidity. And I am unsure about the universe.

Everyone likes me, yet nobody understands me.

Measured objectively, what a man can wrest from Truth by passionate striving is utterly infinitesimal. But the striving frees us from the bonds of the self and makes us comrades of those who are the best and the greatest.

Generations to come will scarce believe that such a one as this ever in flesh and blood walked upon this earth. (said of Mahatma Gandhi)