It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.
正是通过观察和思考的力量,人们才能找到方法。所以我们必须不断挖掘和钻研。
数学的语言是普遍的,超越了文化和语言的障碍。
健康的鱼类意味着健康的人类和健康的地球。
Train people well enough so they can leave, treat them well enough so they don't want to.