心理学理论必须通过实践经验的检验。
Psychological theories must pass the test of practical experience.
A law of nature, lex naturalis, is a precept or general rule found out by reason, by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.
I want to run a good race and inspire many people.
Innovation is the lifeblood of our industry, and we must never stop pushing the boundaries.