Mathematics is not a spectator sport!

In order to solve this differential equation you look at it until a solution occurs to you.

It is better to solve one problem five different ways, than to solve five problems one way.

Beauty in mathematics is seeing the truth without effort.

Solving problems is a practical art, like swimming, or skiing, or playing the piano: you can learn it only by imitation and practice.

It may be more important in the mathematics class how you teach than what you teach.

If there is a problem you can't solve, then there is an easier problem you can't solve: find it.

An idea which can be used only once is a trick. If one can use it more than once it becomes a method.

Geometry is the science of correct reasoning on incorrect figures.

Look around when you have got your first mushroom or made your first discovery: they grow in clusters.

Mathematics consists in proving the most obvious thing in the least obvious way.

He who doesn't understand history is doomed to repeat it.

Genuine freedom is possible only where there is genuine love. And genuine love is not possible without truth.

He that is conscious of guilt cannot bear the innocence of others:So they will try to reduce all others to their own level.

Where the law ends tyranny begins.

So, do I think I'm missing something? I really don't, and I think that comes with age.

I believe that global warming is a myth. And so, therefore, I have no conscience problems at all and I'm going to buy a Suburban next time.

We walked to the brink and we looked it in the face.

You must have dreams and goals if you are ever going to achieve anything in this world.

The greatest sin is to miss the point of human existence.

When one person makes an accusation, check to be sure he himself is not the guilty one. Sometimes it is those whose case is weak who make the most clamour.