Physics is an attempt conceptually to grasp reality as something that is considered to be independent of its being observed. In this sense one speaks of physical reality.

Every day, man is making bigger and better fool-proof things, and every day, nature is making bigger and better fools. So far, I think nature is winning.

You can never solve a problem with the same kind of thinking that created the problem in the first place.

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

The ideals which have always shone before me and filled me with the joy of living are goodness, beauty, and truth.

Money only appeals to selfishness and always tempts its owners irresistibly to abuse it. Can anyone imagine Moses, Jesus, or Gandhi armed with the money-bags of Carnegie?

No problem is ever solved in the same consciousness thas was used to create it.