“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.”

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

“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.”

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

“It has been my lot to have found myself in many distant lands. I have never been in one without finding a Scotchman, and I never found a Scotchman who was not head of the poll.”