Imagination is as vital to any advance in science as learning and precision are essential for starting points.

That Mars is inhabited by beings of some sort or other we may consider as certain as it is uncertain what these beings may be.

Formulae are the anaesthetics of thought, not its stimulants and to make any one think is far better worth while than cramming him with ill-considered, and therefore indigestible, learning.

Are physical forces alone at work there, or has evolution begotten something more complex, something not akin to what we know on Earth as life? It is in this that lies the peculiar interest of Mars.

War is a survival among us from savage times and affects now chiefly the boyish and unthinking element of the nation.

Now when we think that each of these stars is probably the centre of a solar system grander than our own, we cannot seriously take ourselves to be the only minds in it all.

The whole object of science is to synthesize, and so simplify; and did we but know the uttermost of a subject we could make it singularly clear.

Every time, I am lost and said a little prayer, I divine force, reach out to help me find my way.

I sometimes wish I could spontaneously combust. Burn until nothing but ash is left, to be washed away by the wind and the rain.

I wandered everywhere, through cities and countries wide. And everywhere I went, the world was on my side.

It is well there is no one without fault for he would not have a friend in the world. He would seem to belong to a different species.

It was when I saw Iggy Pop, that's what did it for me. That changed my life pretty much.

I look for a good story. Usually the best stories are the ones that are unbelievably true. 'Soul Surfer' is one of those stories.

Wall Street can never be allowed to threaten main street again. No bank can be too big to fail, no executive too powerful to jail.

If we wait for the danger to become clear, it could be too late.

We must remember that one man is much the same as another, and that he is best who is trained in the severest school.

In no direction that we turn do we find ease or comfort. If we are honest and if we have the will to win we find only danger, hard work and iron resolution.