纯数学在某种程度上是逻辑思想的诗歌。
Pure mathematics is, in its way, the poetry of logical ideas.
我不让消极情绪把我打倒。我会超越它。
To this day, I have never taken a course anywhere, in chemistry, economics, psychology, or business.
时至今日，我从未在任何地方选修过化学、经济学、心理学或商业课程。