In a world in which the total of human knowledge is doubling about every ten years, our security can rest only on our ability to learn. – Nathaniel Branden
Reason and emotion are not antagonists. What seems like a struggle between two opposing ideas or values, one of which, automatic and unconscious, manifests itself in the form of a feeling. – Nathaniel Branden
Productive achievement is a consequence and an expression of health and self-esteem, not its cause. – Nathaniel Branden
The first step toward change is awareness. The second step is acceptance. – Nathaniel Branden
To-day it appears as though it may well be altogether abolished in the future as it has to some extent been mitigated in the past by the unceasing, and as it now appears, unlimited ascent of man to knowledge, and through knowledge to physical power and dominion over Nature. – Frederick Soddy