"If you're not making mistakes, you're not taking risks, and that means you're not going anywhere. The key is to make mistakes faster than the competition, so you have more changes to learn and win."

"The true test of character is not how much we know how to do, but how we behave when we don't know what to do."

"If we continually try to force a child to do what he is afraid to do, he will become more timid, and will use his brains and energy, not to explore the unknown, but to find ways to avoid the pressures we put on him."