Who said "The law of nature is not mercy but necessity."?

This quote is attributed to Spencer, Herbert.

The law of nature is not mercy but necessity. - Spencer, Herbert

"The law of nature is not mercy but necessity."

Spencer, Herbert Nature

Philosopher-Sociologist English 1820–1903

"The great aim of education is not knowledge but action."

"Progress, therefore, is not an accident, but a necessity."

"Time is that which man is always trying to kill, but which ends in killing him."

"Science is organized knowledge."

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."