The difficulty lies, not in the new ideas, but in escaping the old ones, which ramify, for those brought up as most of us have been, into every corner of our minds.

Science can purify religion from error and superstition. Religion can purify science from idolatry and false absolutes.

Give me a place to stand, and I will move the Earth.

If you are not a liberal at twenty, you have no heart. If you are not a conservative at forty, you have no brain.

Imagination helps bring out the realism of every detail and only sees the beauties of the work.

Television has brought murder back into the home-- where it belongs.

Be not ashamed of mistakes and thus make them crimes.

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.

There are always survivors at a massacre. Among the victors, if nowhere else.

Virtuous motives, trammeled by inertia and timidity, are no match for armed and resolute wickedness. A sincere love of peace is no excuse for muddling hundreds of millions of humble folk into total war. The cheers of the weak, well-meaning assemblies soon cease to count. Doom marches on.