<b>Core principles
A. A stock represents an ownership interest in an actual business with an underlying value that does not depend on its share price.
B. The market is a pendulum that swings between optimism (making stock too expensive) and pessimism (too cheap).
C. The future value of every investment is a function of its present price. The higher the price you pay, the lower your return.
D. No matter how careful you are, you need a margin of safety--never overpaying after considering all risks.
E. The secret of financial success is inside yourself.
1. be a critical thinker
2. invest with patient confidence