1. “every man must be supposed to be a knave”
David Hume

2. “all the beings, including humans, have developed through natural selection and survival of the fittest”
Charles Darwin

3. “We are self-developers and growing into individuals is our most essential purpose”
John Stuart Mill

4. “men are not naturally enemies”
Jean Jacques Rousseau

5. “We are moral creatures
“We are moral creatures. We have a moral faculty that enables us to overcome our self interests and treat people as ends, rather than means”
Immanuel Kant

6. “The brutes do not share with man the power of deliberate choice… the power of reason”
John Locke

7. “The life of natural man is poor, solitary, nasty, brutish, and short”
Thomas Hobbes