色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Millions saw the apple fall, but Newton asked why.

Change is uncomfortable, but it's necessary for progress.

Every challenge is an opportunity in disguise—if you're willing to see it.

解釋：不在農忙時役使百姓而耽誤農時，那么可以保證百姓富裕。

Of all men's miseries the bitterest is this: to know so much and to have control over nothing.

The poor face constraints that are often invisible to policymakers.