"No man is free who is not master of himself."

"We have two ears and one mouth so we may listen more and talk the less."

"If you want to improve, be content to be thought foolish and stupid."

"Bear in mind that you should conduct yourself in life as at a feast."

"Make the best use of what is in your power, and take the rest as it happens."

"If you do not wish to be prone to anger, do not feed the habit; give it nothing which may tend to its increase."

"Once we believe in ourselves, we can risk curiosity, wonder, spontaneous delight, or any experience that reveals the human spirit."

"Be neither too remote nor too familiar."

"Don't reinvent the wheel, just realign it."

"There are more love songs than anything else. If songs could make you do something we'd all love one another."

"In essence, science is a perpetual search for an intelligent and integrated comprehension of the world we live in."

"Any proposition containing the word 'is' creates a linguistical structural confusion which will eventually give birth to serious fallacies."