Life is an adventure in forgiveness.

What was most significant about the lunar voyage was not that men set foot on the moon but that they set eye on the earth.

The individual is capable of both great compassion and great indifference. He has it within his means to nourish the former and outgrow the latter.

A library is the delivery room for the birth of ideas, a place where history comes to life.

Instead, in the absence of respect for human rights, science and its offspring technology have been used in this century as brutal instruments for oppression.

Mental health is often missing from public health debates even though it's critical to wellbeing.

Symmetries are the playing field on which the physical world works and which determine the rules of the game. The symmetries of nature determine for us things that remain constant, that can't be changed. Those are the guideposts in physics, the quantities like energy and momentum.

Joel Little and I have this certain chemistry we have when we work together.