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

"Children see details adults overlook - that's why picture books matter."

Certainty of evidence does not lead to certainty of belief.

我相信講故事的力量可以改變世界。

舌頭如利刀，殺人不流血；熟練之人手中的言語比武士手中的武器造成的傷害更大。

To understand behavior, we must look at its purpose in the context of survival and adaptation.

The most important decision you make is to be in a good mood.

科學(xué)因懷疑和質(zhì)疑而繁榮。