Far too often the choices reality proposes are such as to take away one's taste for choosing.
Already at the origin of the species man was equal to what he was destined to become.
Kill one man, and you are murderer.
The biologist passes. The frog stays the same.
Kill one man and you're a murderer, kill a million and you're a conqueror.
It takes a very deep-rooted opinion to survive unexpressed.