The frontiers of science are man's frontiers. They are his hard-won outposts against the darkness. And that darkness, the ignorance of the mysterious universe of things which surrounds us and of the equally mysterious universe of consciousness which pervades us, is the enemy, the only ultimate enemy.


The Advancing Front of Science, Prologue (p. 6), McGraw-Hill Book Co., Inc. 1937


The frontiers of science are man's frontiers. They are his hard-won outposts against the darkness. And that darkness, the ignorance of the mysterious ...

The frontiers of science are man's frontiers. They are his hard-won outposts against the darkness. And that darkness, the ignorance of the mysterious ...

The frontiers of science are man's frontiers. They are his hard-won outposts against the darkness. And that darkness, the ignorance of the mysterious ...

The frontiers of science are man's frontiers. They are his hard-won outposts against the darkness. And that darkness, the ignorance of the mysterious ...