They are ill discoverers that think there is no land when they see nothing but sea.

It is impossible to love and to be wise.

Silence is the sleep that nourishes wisdom.

Begin doing what you want to do now. We are not living in eternity. We have only this moment, sparkling like a star in our hand - and melting like a snowflake.

If a man will begin with certainties, he shall end in doubts, but if he will content to begin with doubts, he shall end in certainties.

All rising to great places is by a winding stair.

It's not what we profess but what we practice that gives us integrity.

Man prefers to believe what he prefers to be true.

There is a difference between happiness and wisdom: he that thinks himself the happiest man is really so; but he that thinks himself the wisest is generally the greatest fool.

Read not to contradict and confute, nor to believe and take for granted... but to weigh and consider.

Life is a marshmallow, easy to chew but hard to swallow.

You'll get my assault weapon when you pry it out of my curious six-year-old's cold dead hands.

What'll you do if you can't find a way to cure him?" Seth asked. Dale paused. "I'll never know that day has come, because I'll never stop trying.

I am of Russian-Jewish distraction.

That's a good weight...for a small woman

A good guide will take you through the more important streets more often than he takes you down side streets; a bad guide will do the opposite. In philosophy I'm a rather bad guide.

God loves people just the way they are, but He loves them too much to leave them that way!

I think the Space Shuttle is worth one billion dollars a launch. I think that it is worth two billion dollars for what it does. I think the Shuttle is worth it for the work it does.

The line between good and evil is movable and it's permeable.

People think about what they don't want and attract more of the same.