The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.
True leadership means making tough decisions today that will benefit generations tomorrow.
数十亿年来，大自然一直是最出色的生物工程师。
Nature is a wonderful teacher, and if we will only be patient and observe, she will reveal her secrets to us.
自适应控制的核心是从经验中学习并相应地调整控制器。