“One of the hardest things in this world is to admit you are wrong. And nothing is more helpful in resolving a situation than its frank admission.”

“Nothing in life is more remarkable than the unnecessary anxiety which we endure, and generally create ourselves.”

“He was distinguished for ignorance; for he had only one idea, and that was wrong.”

“Like all great travellers, I have seen more than I remember and remember more than I have seen.”

“Time is precious, but truth is more precious than time.”

“What is earnest is not always true; on the contrary, error is often more earnest than truth.”

“Nurture your mind with great thoughts, for you will never go any higher than you think.”