He who can, does. He who cannot, teaches.

He who can, does. He who cannot, teaches.

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.

Instruction does not prevent waste of time or mistakes; and
mistakes themselves are often the best teachers of all.

Instruction does not prevent waste of time or mistakes; and
mistakes themselves are often the best teachers of all.

The sounding jargon of the schools.

The sounding jargon of the schools.

Excellence is a better teacher than mediocrity. The lessons of the ordinary are everywhere. Truly profound and original insights are read more

Excellence is a better teacher than mediocrity. The lessons of the ordinary are everywhere. Truly profound and original insights are to be found only in studying the exemplary.

Teaching is useless unless you can learn from your students.

Teaching is useless unless you can learn from your students.

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.

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.

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.