It is not enough to understand, or to see clearly. The future will be shaped in the arena of human activity, by those willing to commit their minds and their bodies to the task. ↗
In bodies moved, the motion is received, increased, diminished, or lost, according to the relations of the quantity of matter and velocity; each diversity is uniformity, each change is constancy. ↗
There is no such thing as immaterial matter. All spirit is matter, but is more fine or pure, and can only be discerned by purer eyes. We cannot see it, but when our bodies are purified, we shall see that it is all matter. ↗