Relativity applies to physics, not ethics.

Science has brought forth this danger, but the real problem is in the minds and hearts of men.

Scientists believe that every occurrence, including the affairs of human beings, is due to the laws of nature. Therefore a scientist cannot be inclined to believe that the course of events can be influenced by prayer, that is, by a supernaturally manifested wish.

Time is what the clock says.

The main task of the spirit is to free man from his ego.

The aim of science is, on the one hand, as complete a comprehension as possible of the connection between perceptible experiences in their totality, and, on the other hand, the achievement of this aim by employing a minimum of primary concepts and relations.

Men marry women with the hope they will never change. Women marry men with the hope they will change. Invariably they are both disappointed.