I grew up to be indifferent to the distinction between literature and science, which in my teens were simply two languages for experience that I learned together.

We are all shot through with enough motives to make a massacre, any day of the week that we want to give them their head.

Man masters nature not by force but by understanding. This is why science has succeeded where magic failed: because it has looked for no spell to cast over nature.

Knowledge is an unending adventure at the edge of uncertainty.

I set out to show that there exists single creative activity,which is displayed alike in the arts and in the sciences.It is wrong to think of science as a mechanical record of facts, and it is wrong to think of the arts as remote and private fancies. What makes each human, what makes them universal, is the stamp of the creative mind.

The child is not a prisoner of its inheritance; it holds its inheritance as a new creation which its future actions will unfold.

The hand is the cutting edge of the mind.