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

The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

The harder you work for something, the greater you’ll feel when you achieve it.

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

Machine learning is the science of getting computers to act without being explicitly programmed.

實現凈零排放的道路并不容易，但這對我們的生存是必要的。

一本書就像你隨身攜帶的花園。

我總是愿意相信每個人的最好一面；這樣可以省去很多麻煩。