The whole of science is nothing more than a refinement of everyday thinking.

Don't wait for miracles, your whole life is a miracle.

Curiosity is a delicate little plant that, aside from stimulation, stands mainly in need of freedom.

One always likes to do the things for which one has ability.

I have no particular talent. I am merely inquisitive.

It must be conceded that a theory has an important advantage if its basic concepts and fundamental hypotheses are 'close to experience,' and greater confidence in such a theory is certainly justified. There is less danger of going completely astray, particularly since it takes so much less time and effort to disprove such theories by experience. Yet more and more, as the depth of our knowledge increases, we must give up this advantage in our quest for logical simplicity in the foundations of physical theory.

If one day you have to choose between the world and love, remember this: If you choose the world you’ll be left without love, but if you choose love, with it you will conquer the world