“Opposite to godliness is atheism in profession, and idolatry in practice. Atheism is so senseless and odious to mankind, that it never had many professors.”

Tact is the art of making a point without making an enemy.

Where both are friends, it is right to prefer truth.

Let me think – I wonder if an anvil will drop like an apple?

If the experiments which I urge be defective, it cannot be difficult to show the defects; but if valid, then by proving the theory, they must render all objections invalid.

When two forces unite, their efficiency double.

The best way to understanding is a few good examples.

The great ocean of truth lay all undiscovered before me.

The centre of the system of the world is immovable.

All knowledge and understanding of the Universe was no more than playing with stones and shells on the seashore of the vast imponderable ocean of truth.

Every body persists in a state of rest or of uniform motion in a straight line, unless it is compelled to change that state by forces having impact upon it.

An object that is at rest will tend to stay at rest. An object that is in motion will tend to stay in motion.

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.

What goes up must come down.

Yet one thing secures us what ever betide, the scriptures assures us that the Lord will provide.

Hypotheses non fingo. I frame no hypotheses.

To explain all nature is too difficult a task for any one man or even for any one age.