Overhead the albatross hangs motionless upon the air,
And deep beneath the rolling waves, in labyrinths of coral caves,
The echo of a distant tide comes willowing across the sand,
And everything is green and submarine...
At the heart of science is an essential balance between two seemingly contradictory attitudes--an openness to new ideas, no matter how bizarre or counterintuitive they may be, and the most ruthless skeptical scrutiny of all ideas, old and new.
This is how deep truths are winnowed from deep nonsense. -- Carl Sagan