You cannot teach old dogs new tricks.

You cannot teach old dogs new tricks.

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.

The first duty of a lecturer--to hand you after an hour's discourse a nugget of pure truth to wrap up read more

The first duty of a lecturer--to hand you after an hour's discourse a nugget of pure truth to wrap up between the pages of your notebooks and keep on the mantlepiece forever.

Nothing that is worth knowing can be taught.

Nothing that is worth knowing can be taught.

The trainer trains the docile horse to turn, with his sensitive
neck, whichever way the rider indicates.
[Lat., read more

The trainer trains the docile horse to turn, with his sensitive
neck, whichever way the rider indicates.
[Lat., Fingit equum tenera docilem cervice magister
Ire viam qua monstret eques.]

We must not contradict, but instruct him that contradicts us; for
a madman is not cured by another running read more

We must not contradict, but instruct him that contradicts us; for
a madman is not cured by another running mad also.

Teaching is useless unless you can learn from your students.

Teaching is useless unless you can learn from your students.

O ye! who teach the ingenious youth of nations,
Holland, France, England, Germany or Spain,
I pray read more

O ye! who teach the ingenious youth of nations,
Holland, France, England, Germany or Spain,
I pray ye flog them upon all occasions,
It mends their morals, never mind the pain.

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.