The virtue of adversity is fortitude which in mortals is the heroical virtue.

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.

No law can be sacred to me but that of my nature. Good and bad are but names very readily transferable to that or this

Light in comparison with darkness is a void.

Don't let the inconsequential fairy tales stand in your way! You do what makes you happy, no matter what.

When we see someone or something as imperfect, it is a reflection of our limitations, not theirs.

Digital attitude is about adaptability - being experimental and changeable.

I just am a huge cheerleader for getting kids interested in science and technology.

Keep in mind that in 1985, I had a potential readership of over 50 million Americans. At that time, a good portion of those were under 30.

As a Christian I take it for granted that human history will some day end; and I am offering Omniscience no advice as to the best date for that consummation.

I know where I'm putting my money.

We are for religion against the religions.