理性是感性的镜子。
Keep all your things visible in a hotel room， not in drawers， and all gathered into one spot. That way you’ll never leave anything behind. If you need to have something like a charger off to the side， place a couple of other large items next to it， because you are less likely to leave 3 items behind than just one.
殖民地是一个新人类计划将被测试的地方，在那里一个无国界、无种族、无国家、无阶级、无性别、无宗教、无货币和无财产世界的梦想将被实现。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。
化学的未来在于开发与自然合作而非对抗的可持续方法。