The world is full of people who will tell you what you can't do. You don't need them. You already know what you can't do. What you need is someone to tell you what you can.
No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.
变化是不可避免的，但进步是一种选择。
The power of human cognition comes from its ability to generalize.
没有丑陋的爱，也没有英俊的监狱。
她走在美的光彩中，像夜晚
很可能还会发明出其他几种辅助视觉的工具，它们超越现有工具的程度，就像现有工具超越肉眼一样。
解释：不可以不知道活着的乐趣，也不可以不知道虚度光阴的担忧。
"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."