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

Success is a collection of problems solved.

If not me, who? If not now, when?

The beauty of literature is that it allows us to live a thousand lives.

In time of war, when truth is so precious, it must be attended by a bodyguard of lies.

不要害怕放棄好的東西去追求偉大的東西。

林業的未來在于政府、企業和當地社區之間的合作。

The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.

It is therefore obvious that...