"The key to investing is not assessing how much an industry is going to affect society, or how much it will grow, but rather determining the competitive advantage of any given company and, above all, t…"

"Chains of habit are too light to be felt until they are too heavy to be broken."

"Risk comes from not knowing what you're doing."

"The most important thing to do if you find yourself in a hole is to stop digging."

"It’s better to hang out with people better than you. Pick out associates whose behavior is better than yours and you’ll drift in that direction."