Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.

Don't walk behind me; I may not lead. Don't walk in front of me; I may not follow. Just walk beside me and be my friend.

Technology has no boundaries, but its application must have direction.

I wonder how many people I've looked at all my life and never seen.

【释义】集市上没有老虎是很明显的事，但是三个人说有老虎，就好像真的有老虎了。

To be human is to be flawed, but it is also to be capable of great change.