The individual must not merely wait and criticize, he must defend the cause the best he can. The fate of the world will be such as the world deserves.

The facts, although interesting, are irrelevant.

Only strong characters can resist the temptation of superficial analysis.

One feels the insignificance of the individual, and it makes one happy.

Each ray of light moves in the coordinate system 'at rest' with the definite, constant velocity V independent of whether this ray of light is emitted by a body at rest or a body in motion.

... one does people the best service by giving them some elevating work to do and thus indirectly elevating them.

When the number of factors coming into play in a phenomenological complex is too large scientific method in most cases fails. One need only think of the weather, in which case the prediction even for a few days ahead is impossible. Nevertheless, no one doubts that we are confronted with a causal connection whose causal components are in the main known to us. Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature.