Ernst Haeckel Quote

This determination of the position of man in nature, and of his relation to the totality of things - this question of all questions for mankind as Huxley justly calls it - is finally solved by the knowledge that man is descended from animals.

Translated by E. Ray Lankester, The History of Creation, Or, The Development of the Earth and Its, Inhabitants by the Action of Natural Causes (Volume 1) (4th edition), Chapter I (p. 6)