Conscience Is A Thousand Witnesses.

For All The Best Teachers Pride Themselves On Having A Large Number Of Pupils And Think Themselves Worthy Of A Bigger Audience.

If You Direct Your Whole Thought To Work Itself, None Of The Things Which Invade Eyes Or Ears Will Reach The Mind.

Consequently The Student Who Is Devoid Of Talent Will Derive No More Profit From This Work Than Barren Soil From A Treatise On Agriculture.

In Almost Everything, Experience Is More Valuable Than Precept.

For The Mind Is All The Easier To Teach Before It Is Set.