Study as though you cannot catch up to it, and as though you fear you are going to lose it.
Every man knows the smell of his own fart.
Don't make to others what you don't want them to make to you.
To know and not do, is to not yet know.
A youth, when at home, should be filial, and, abroad, respectful to his elders.
A youth is to be regarded with respect. How do we know that his future will not be equal to our present? If he reach the age of forty or fifty, and has not made himself heard of, then indeed he will not be worth being regarded with respect.