The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.
渔业领导力的意义在于超越利润，优先考虑可持续性。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.