"As an astronomer in the true sense of the term, Sir John Herschel stood before all his contemporaries. Nay, he stood almost alone."

"The passion and beauty and joy of science is that we humans have invented a process to understand the universe in a way that is true for everyone. We are finding universal truths."

"Remember above all to be true to yourself. It is ok to act and to pretend that something is ok, but admit the truth to yourself."

"What is needed is the right to print what one believes to be true, without having to fear bullying or blackmail from any side."

"I never failed in mathematics. Before I was fifteen I had mastered differential and integral calculus."