“I wrote somewhere during the Cold War that I sometimes wish the Iron Curtain were much taller than it is, so that you could see whether the development of science with no communication was parallel...”

“The land of easy mathematics where he who works adds up and he who retires subtracts.”

“At the age of 45, most days in Tucson were spent feeling like I was on the summit of Mauna Kea, as I was exhibiting debilitating health symptoms that corresponded to what I saw at very high altitud...”

“The hour is only long thus, if you've waited.”

“Only the brave men and women can bring peace to the world, not by practicing war but by practicing nonviolence.”

“Live the Life of Your Dreams: Be brave enough to live the life of your dreams according to your vision and purpose instead of the expectations and opinions of others.”

“No matter how long you train someone to be brave, you never know if they are or not until something real happens.”

“If you are not willing to stand up for anything or anybody, then why should the Creator take a single step to help you?”

“If I am to be fallen into love, I will. And if as a result I will appear to be stupid, disillusioned, and of poor judgment, I will. And I would be damned if I cared what other people think. For I w...”

“To be brave is to love someone unconditionally, without expecting anything in return. To just give. That takes courage, because we don't want to fall on our faces or leave ourselves open to hurt.”