最重要的是保护资本。不在于你赚了多少,而在于你少亏了多少。
Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细,所有行为都可以用刺激和反应来解释。
The past is a foreign country, but we are all its citizens.