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

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

苦難是智慧的學校。

譯文：要發勇猛心。人們不肯改過，多半是因為因循守舊、不肯向前；我們要鼓舞振作起來，不要遲疑，不要等待。對于小的過惡，要如同肉中有芒刺一般，立刻剔除；對于大的過惡，要像毒蛇咬自己的手指一樣，要快速斬斷，沒有絲毫的停滯，這就是《周易》中所說的風雷之所以有益處的原因。

做出偉大工作的唯一途徑是熱愛你所做的事。

最好的肥料是農民在田地上的身影。

The human heart is a complex and often contradictory thing.

Technology can help us monitor forests, but it's human commitment that will save them.

Technology will continue to revolutionize how we extract and utilize natural gas.

I was born to make mistakes, not to fake perfection.