The primary use of knowledge is for such guidance of conduct under all circumstances as shall make living complete. All other uses of knowledge are s… - Herbert Spencer

It cannot but happen that those individuals whose functions are most out of equilibrium with the modified aggregate of external forces, will be those to die; and that those will survive whose functions happen to be most nearly in equilibrium with the modified aggregate of external forces. But this survival of the fittest, implies multiplication of the fittest. Out of the fittest thus multiplied, there will, as before, be an overthrowing of the moving equilibrium wherever it presents the least opposing force to the new incident force.

If insistence on them tends to unsettle established systems ... self-evident truths are by most people silently passed over; or else there is a tacit refusal to draw from them the most obvious inferences.

Hidup itu ialah kelancaran hubungan diri dengan luar diri.