Look wise, say nothing, and grunt. Speech was given to conceal thought.

Shut out all of your past except that which will help you weather your tomorrows.

—Sir William Osler

Live neither in the past nor in the future, but let each day's work absorb your entire energies, and satisfy your widest ambition.

—Sir William Osler

The desire to take medicine is perhaps the greatest feature which distinguishes man from animals.

—Sir William Osler

One of the first duties of the physician is to educate the masses not to take medicine.

—Sir William Osler

The greater the ignorance the greater the dogmatism.

—Sir William Osler

Discretion in speech is more than eloquence.

—Francis Bacon

Where the speech is corrupted, the mind is also.

—Seneca

Speech is the mirror of the mind.
(Imago Animi Sermo Est)

—Seneca

In anger we should refrain both from speech and action.

—Pythagoras

Speech is a mirror of the soul: as a man speaks, so is he.

—Publilius Syrus