You cannot teach old dogs new tricks.

You cannot teach old dogs new tricks.

To be good is noble, but to teach others how to be good is nobler--and less trouble.

To be good is noble, but to teach others how to be good is nobler--and less trouble.

But ask now the beasts, any they shall teach thee; and the fowls
of the air, and they shall read more

But ask now the beasts, any they shall teach thee; and the fowls
of the air, and they shall tell thee:
Or speak to the earth, and it shall teach thee: and the fishes
of the sea shall declare unto thee.

The teacher is one who makes two ideas grow where only one grew before.

The teacher is one who makes two ideas grow where only one grew before.

Never try to teach a pig to sing; it wastes your time and it annoys the pig.

Never try to teach a pig to sing; it wastes your time and it annoys the pig.

You teach me baseball and I'll teach you relativity. . . . No we
must not. You will learn read more

You teach me baseball and I'll teach you relativity. . . . No we
must not. You will learn about relativity faster than I learn
baseball.

Teaching is useless unless you can learn from your students.

Teaching is useless unless you can learn from your students.

Knowledge exists to be imparted.

Knowledge exists to be imparted.

In a completely rational society, the best of us would be teachers and the rest of us would have to read more

In a completely rational society, the best of us would be teachers and the rest of us would have to settle for something else.