Things which are equal to the same thing are also equal to one another.

The laws of nature are but the mathematical thoughts of God.

A line is length without breadth.

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.

Sire, there is no royal road to geometry.

Better balance, less pain and less restless leg syndrome.

Give him threepence, since he must make a gain out of what he learns.

And the whole is greater than the part.

A prime number is one (which is) measured by a unit alone.

A straight line is said to have been cut in extreme and mean ratio when, as the whole line is to the greater segment, so is the greater to the lesser.

Circumvent negative influences, circumstances and people.

It is not only the most difficult thing to know oneself but the most inconvenient too.

Let us read the lives of the saints; let us consider the penances which they performed, and blush to be so effeminate and so fearful of mortifying our flesh.

Existence without essence is very stressful.

Roxanne Quimby wanted money and power, and I was just a pillar on the way to that success.

[You write out of the] desire to seem clever, to be talked about, to be remembered after death, etc., etc., etc. It is humbug to pretend this is not a motive and a strong one.

You have to be careful about how much you reveal to people that look up to you so much.

The purpose of speech is to enliven the bliss in others.

What I like about the Order of the Garter is that there is no damned merit about it.