The day is not far distant when humanity will realize that biologically it is faced with a choice between suicide and adoration.

He recognized with absolute certainty the empty fragility of even the noblest theorizings as compared with the definitive plenitude of the smallest fact grasped in its total, concrete reality.

He that will believe only what he can fully comprehend must have a long head or a very short creed.

Energy is the measure of that which passes from one atom to another in the course of their transformations. A unifying power, then, but also, because the atom appears to become enriched or exhausted in the course of the exchange, the expression of structure.

And now, as a germination of planetary dimensions, comes the thinking layer which over its full extent develops and intertwines its fibres, not to confuse and neutralise them but to reinforce them in the living unity of a single tissue.

Humanity has been sleeping-and still sleeps-lulled within the narrowly confining joys of its little closed loves. In the depths of the human multitude there slumbers an immense spiritual power which will manifest itself only when we have learnt how to break through the dividing walls of our egoism and raise ourselves up to an entirely new perspective, so that habitually and in a practical fashion we fix our gaze on the universal realities.

Growing old is like being increasingly penalized for a crime you haven't committed.