“Sometimes you just need to distance yourself from people. If they care, they'll notice. If they don't, you know where you stand.”

“Revenge is always the weak pleasure of a little and narrow mind.”

“If you want to know where your heart is, look where your mind goes when it wanders.”

“A negative mind will never give you a positive life.”

“Society is going to judge you no matter what you do.”

“Never allow society to turn you into a person you are not.”

“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.”

“Knowledge, like air, is vital to life. Like air, no one should be denied it.”

“Science is organized knowledge. Wisdom is organized life.”

“I definitely learned a lesson this time. I know that I can be broken. I am not as tough as I thought. I see it now. At this point, it's the only thing good that came out of all of this. I know myse...”

“The fool doth think he is wise, but the wise man knows himself to be a fool.”

“The secret of life, though, is to fall seven times and to get up eight times.”

“It is the mark of an educated mind to be able to entertain a thought without accepting it.”