The world is everything that is the case.
Quality is never an accident; it is always the result of intelligent effort.
Train people well enough so they can leave, treat them well enough so they don't want to.
有福之人遭到不幸只是损失钱财,无福之人遭遇不幸则会伤及性命。
我练体操是因为我喜欢它,而不是因为我想成为世界上最好的。