The incessant concentration of thought upon one subject, however interesting, tethers a man's mind in a narrow field. - William Osler

We can only instill principles, put the student in the right path, give him method, teach him how to study, and early to discern between essentials and non-essentials.

Shakespeare gets to the root of the alcohol question in his well-known statement—'Good wine is a good, familiar creature if it be well used.'

Every one of you will have to face the ordeal of every student in this generation who sooner or later tries to mix the waters of science with the oil of faith. You can have a good deal of both if you only keep them separate. The worry comes from the attempt at mixture.