Evolution

https://en.wikipedia.org/wiki/File:Huxley_-_Mans_Place_in_Nature.jpg

T.H. Huxley believed in the precept that magna est veritas et prævalebit — truth is great and will prevail.

“Truth is great, certainly,” he wrote, “but, considering her greatness, it is curious what a long time she is apt to take about prevailing.”

(From Evidence as to Man’s Place in Nature, 1863.)