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…

- Percival Lowell

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.

- Percival Lowell

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-considere…

- Percival Lowell

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

- Percival Lowell

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

- Percival Lowell

Irrigation, unscientifically conducted, would not give us such truly wonderful mathematical fitness [as we observe in the Martian canals]. . . . A mi…

- Percival Lowell

Speculation has been singularly fruitful as to what these markings on our next to nearest neighbor in space may mean. Each astronomer holds a differe…

- Percival Lowell

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 th…

- Percival Lowell

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.

- Percival Lowell