“We are prone to overestimate how much we understand about the world and to underestimate the role of chance in events.”

“We tend to overestimate what we can do in the short term and underestimate what we can do in the long term.”

“If you are insecure, guess what? The rest of the world is too. Do not overestimate the competition and underestimate yourself. You are better than you think.”

“If you are insecure, guess what? The rest of the world is, too. Do not overestimate the competition and underestimate yourself. You are better than you think.”

“A friend should always underestimate your virtues and an enemy overestimate your faults”

“To overestimate the originality of one's thoughts is perhaps a less serious defect than being unaware of their newness. There is a more pronounced lack of sensitivity in underestimating (ourselves and others) than in overestimating.”

“Never underestimate your power to change yourself; never overestimate your power to change others.”

“How much the greatest event it is that ever happened in the world! and how much the best!”

“I am constantly overestimating and underestimating the human race - that rarely do I ever simply estimate it.”

“God does not give us more than we can handle," I am told but I wonder if God doesn't overestimate me just a little. Or perhaps, and this is likely, I underestimate God.”