Language is not just a system of symbols， but a set of practices with social and cultural significance.
The performance standard is 'Zero Defects'.
No arts； no letters； no society； and which is worst of all， continual fear and danger of violent death； and the life of man， solitary， poor， nasty， brutish， and short.
The most exciting thing is when you suddenly see the solution to a problem that has been puzzling you for a long time.
杰夫·贝索斯接受了莱克斯·弗里德曼的播客采访