The world is full of obvious things which nobody by any chance ever observes.
Every line we draw carries responsibility.
书籍是灵魂的镜子，反映我们最深的恐惧和欲望。
成功是一种强力的除臭剂。
Leadership in agriculture means having the courage to plant seeds whose harvest you may never see.
Safety is the lifeline of the petroleum industry; it must never be neglected.
Learning involves the gradual adjustment of connection strengths between units in a network.