Common sense is the collection of prejudices acquired by age eighteen.
Technological progress is like an axe in the hands of a pathological criminal.

I live in that solitude which is painful in youth, but delicious in the years of maturity.
Everyone should be respected as an individual, but no one idolized.
You can’t blame gravity for falling in love.
All these primary impulses, not easily described in words, are the springs of man’s actions.
The process of scientific discovery is, in effect, a continual flight from wonder.
The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

Failure is success in progress
It is only to the individual that a soul is given.
We cannot despair of humanity, since we ourselves are human beings.
I want to go when I want. It is tasteless to prolong life artificially. I have done my share; it is time to go. I will do it elegantly.
The only thing that interferes with my learning is my education.