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

教育是使人變得有道德的藝術。

Do not let your fire go out, spark by irreplaceable spark.

The reason that the invisible hand often seems invisible is that it is often not there.

Technology should serve agriculture, not the other way around - we must never forget our roots.

戰爭是可怕的，但不是最可怕的事情；道德和愛國情感的衰敗和墮落，認為沒有什么值得戰爭，更糟糕。