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

Nothing is more practical than a good theory.

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

The life contest is primarily a competition for available energy.

Philosophy gets on my nerves. If we analyze the ultimate ground of everything, then everything finally falls into nothingness. But I have decided to resume my lectures again and look the Hydra of doubt straight into the eye, and it be quite ominous if one values one's life.

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.