Politics is made up largely of irrelevancies.

Having lost its value, money may no longer be the root of all evil; credit having taken its place.

One would think that man would run out of wars.

When you take your place as the authority figure in your home, your child will feel more safe in the real world, not the screen world.

Yes, human salvation will come through science, but only through the nature-respecting science!

True knowledge comes only through suffering.

Things don't change because people change their minds. They change because they retire or die.

What's lost is nothing to what's found, and all the death that ever was, set next to life, would scarcely fill a cup.

I know very well what I am about and that my skies have not been neglected, though they often failed in execution - and often no doubt from over anxiety about them.

Any euphemism ceases to be euphemistic after a time and the true meaning begins to show through. It's a losing game, but we keep on trying.

Mathematics is the summit of human thinking. It has all the creativity and imagination that you can find in all kinds of art, but unlike art-charlatans and all kinds of quacks will not succeed there.

There is no such thing as a problem without a gift.

If there were no affliction in this world we might think we were in paradise.