Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.

从自然科学之杯的第一口会让你变成无神论者，但在杯底上帝正等着你。

The less I know about other people's affairs, the happier I am.

对待心中的欲念，放纵即有所损，所以关键在于忍；改过向善，努力即有所助益，所以关键在于悔。