A mathematician will recognise Cauchy, Gauss, Jacobi or Helmholtz after reading a few pages, just as musicians recognise, from the first few bars, Mozart, Beethoven or Schubert.

If you are out to describe the truth, leave elegance to the tailor.

Bring forward what is true, Write it so that it is clear, Defend it to your last breath!

Nothing is more practical than a good theory.

Available energy is the main object at stake in the struggle for existence and the evolution of the world.

The life contest is primarily a competition for available energy.

Thermodynamics, correctly interpreted, does not just allow Darwinian evolution; it favors it.

Which is more remarkable fact about America: that millionaires are idealists or idealists become millionaires.

In my view all salvation for philosophy may be expected to come from Darwin's theory

Bring forward what is true. Write it so that it is clear. Defend it to your last breath.

The principal art of the teacher is to awaken the joy in creation and knowledge.

A happy man doesn't reconsider life.

Persistent effort is what will create the life you most desire.

Now that it is obvious we are falling at a furious speed, we are now just anticipating how much area will be covered by the dust from impact, how many more will not see their fall coming.

Nothing flatters a man as much as the happiness of his wife he is always proud of himself as the source of it.

It is a poor observance of our first century as a nation if we run up a flag of surrender with three dying maple leaves on it.

I try and live my life in bite-size chunks.

Genius has its limitations. Insanity...not so much" -Bumper Sticker

I fell in love with dressing myself up.

If you ain't using all the talents God provided you with For the betterment of Man, understand, You ain't nothing but a waste.