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。

机器人技术的创新需要机械工程、电子学和计算机科学的结合。

We are here to add what we can you to life，not to get what we can from it.

The best time to plant a tree was 20 years ago. The second best time is now.

I not only came to understand that 'change' was a part of Josie, and that I should be prepared to adapt to it, but I also began to realize that this was not a trait unique to Josie; I came to understand that people often feel the need to present a carefully prepared version of themselves to the outside world - much like arranging a shop window - and once the moment has passed, there's no need to take it too much to heart.

确保和平的最佳方式是强大到足以威慑潜在的侵略者。

The purpose of our lives is to be happy.