古之学者为己(所谓为己之学),今之学者为人。
【讲解】:古代读书人学习的目的,在于修养自己的学问道德(然后去为国家、人民服务),现在读书人学习的目的,在于给别人看(希望得到别人的赞美和任用)。
I don't care if you're black, white, straight, bisexual, gay, lesbian, short, tall, fat, skinny, rich or poor. If you're nice to me, I'll be nice to you. Simple as that.
The beauty of mathematics only shows itself to more patient followers.