Safety is our top priority in all operations.

I don’t create utopias; I make what is possible.

A poet's work is to name the unnameable, to point at frauds, to take sides, start arguments, shape the world, and stop it going to sleep.

By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.

If a man is proud of his wealth，he should not be praised until it is known how he employs it.

The essence of mathematics lies in its freedom.