One important idea is that science is a means whereby learning is achieved, not by mere theoretical speculation on the one hand, nor by the undirected accumulation of practical facts on the other, but rather by a motivated iteration between theory and practice.
In every company, there is not only the active and passive sex, but, in both men and women, a deeper and more important sex of mind, namely, the inventive or creative class of both men and women, and the uninventive or accepting class.