What kind of truth is it which has these mountains as its boundary and is a lie beyond them?

Necessity is a violent school-mistress.

The great and glorious masterpiece of men is to live to the point. All other things-to reign, to hoard, to build-are, at most, but inconsiderable props and appendages.

Even opinion is of force enough to make itself to be espoused at the expense of life.

The most certain sign of wisdom is cheerfulness.

Learning is not to be tacked to the mind, but we must fuse and blend them together, not merely giving the mind a slight tincture, but a thorough and perfect dye. And if we perceive no evident change and improvement, it would be better to leave it alone; learning is a dangerous weapon, and apt to wound its master if it be wielded by a feeble hand, and by one not well acquainted with its use.

There never were, in the world, two opinions alike, no more than two hairs, or two grains; the most universal quality is diversity.