Sometimes we forge our own principles and sometimes we accept others' principles, or holistic packages of principles, such as religion and legal systems. While it isn't necessarily a bad thing to use others' principles - it's difficult to come up with your own, and often much wisdom has gone into those already created - adopting pre-packaged principles without much thought exposes you to the risk of inconsistency with your true values.

Know what your people are like, and make sure they do their jobs excellently.

I don't think there is such a thing as the perfect system.

Treat your life like a game.

There is giant untapped potential in disagreement, especially if the disagreement is between two or more thoughtful people

The big question is: When will the term structure of interest rates change? That's the question to be worried about.

People who worry about looking good typically hide what they don't know and hide their weaknesses, so they never learn how to properly deal with them and these weaknesses remain impediments in the future.