A necessary characteristic of great investors

A necessary characteristic of great investors is that they can't be overly influenced by what other people think. The easiest way not to be overly influenced by what other people think is not to be that aware of what they think. If you don't really notice that and don't really care about what other people think, that will make it easier to be a great investor.

- Christopher Davis, from Richer, Wiser, Happier book by William Green

The lack of willpower is a

The lack of willpower is a mental disease. If you suffer from this weakness, make it a priority to stamp it out quickly. An abundance of willpower and discipline is one of the chief attributes of all those with strong characters and wonderful lives. Willpower allows you to do what you said you would do, when you said you would do it. It is willpower that allows you to get up at five in the morning to cultivate your mind through meditation, or to feed your spirit by a walk in the woods when a cozy bed beckons you on a cold winter's day. It is willpower that allows you to hold your tongue when a less-actualized person insults you or does something you disagree with. It is willpower that pushes your dreams forward when the odds appear to be insurmountable. It is willpower that offers you the inner power to keep your commitments to others, and, perhaps even more importantly, to yourself.

- from The Monk Who Sold His Ferrari book by Robin Sharma