采石场运营中的每个挑战都是创新和改进的机会。
男性和女性在繁殖策略上有所不同,因为他们在整个进化历史中面临着不同的适应性问题。
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
幽默是应对生活荒谬的一种方式。
预测未来的最好方法就是去创造未来。
The greatest power is the ability to control your own emotions and desires.