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

Words are the wings of thought, and poetry is their highest flight.

心理學必須是一門描述的科學，而非解釋。

諷刺的真正目的是通過糾正來改善惡習。

The money and effort that men expend on their bodies, they might with greater profit devote to their minds.

The character and destiny of a group are often determined by its inferior elements.

數十億年來，大自然一直是最出色的生物工程師。