Who said "Death is but a transition to another form of life."?

This quote is attributed to Herbert Spencer.

Death is but a transition to another form of life. - Herbert Spencer

"Death is but a transition to another form of life."

Herbert Spencer Death

Philosopher Sociologist British 1820–1903

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

"Progress is not an accident but a necessity."

"The ultimate result of shielding men from the effects of folly is to fill the world with fools."

"Life is the continuous adjustment of internal relations to external relations."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."