The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.

你不应该认为对你来说难以掌握的东西是不可能的，如果是人类可以实现的，就应该认为它是可以实现的。

No one had ever had such a friend, so affectionate,so loyal and so skillful.

模糊逻辑并不模糊。它是一种关于不精确性的精确逻辑。