There are few minds to which tyranny is not delightful.

No man is obliged to do as much as he can do. A man is to have part of his life to himself.

As any action or posture, long continued, will distort and disfigure the limbs, so the mind likewise is crippled and contracted by perpetual application to the same set of ideas.

How small of all that human hearts endure/That part which laws or kings can cause or cure.

Pleasure that is obtained by unreasonable and unsuitable cost must always end in pain.

Many leave the labours of half their life to their executors and to chance, because they will not send them abroad unfinished, and are unable to finish them, having prescribed to themselves such a degree of exactness as human diligence can scarcely ontain.

The roads of science are narrow, so that they who travel them, must wither follow or meet one another.