"When ambition meets humility, we find that the silence between the notes creates the music."

"It is a quiet truth that the test of character in leadership is how one behaves in moments of unvarnished power — an essential principle for the reflective life."

"Wisdom principle 23 tells us that the journey of life is lesson 88."

"Wisdom principle 79 tells us that the journey of life is lesson 21."

"Scientists will eventually stop flailing around with solar power and focus their efforts on harnessing the only truly unlimited source of energy on the planet: stupidity. I predict that in the future, scientists will learn how to convert stupidity into clean fuel."

"It is a sign of contraction of the mind when it is content, or of weariness. A spirited mind never stops within itself it is always aspiring and going beyond its strength."

"The measure of a man is what he does with power."

"It is a timeless truth that true authority is measured not by subjugation, but by the empowerment of others."