To understand the mind, we must first understand its evolutionary purpose.
要理解心智,我们必须先理解它的进化目的。
The best way to learn is to teach.
The interplay between syntax and semantics is central to the study of formal languages.
我们所认识的最美丽的人是那些经历过失败、痛苦、挣扎、失落,并找到了走出深渊之路的人。