Nothing is better than reading and gaining more and more knowledge.

I have experimental evidence that time travel is not possible.

I'd say I don't believe in God, but I'm afraid He might hear me.

Life would be tragic if it weren't funny.

Jesus loves you, but everyone else thinks you're an ass.

The past, like the future, is indefinite and exists only as a spectrum of possibilities.

A person who smiles in the face of adversity...probably has a scapegoat.

The universe doesn't allow perfection.

I like physics, but I love cartoons.

Look up at the stars, not down at your feet.

When the going gets tough, the tough take a coffee break.

Intelligence is the ability to adapt to change.

Quiet people have the loudest minds.

Nothing can be taught to a man, only it's possible to help him to discover it inside.

Holy Writ was intended to teach men how to go to Heaven not how the heavens go.

I do not know what to say in a case so surprising, so unlooked for and so novel.

Nature's great book is written in mathematics.

Nature...does not act by means of many things when it can do so by means of a few.

Nature is written in mathematical language.