The greatest part of mankind ... are given up to labor, and enslaved to the necessity of their mean condition; whose lives are worn out only in the provisions for living.
John LockeI do not say this, that I think there should be no difference of opinions in conversation, nor opposition in men's discourses... 'Tis not the owning one's dissent from another, that I speak against, but the manner of doing it.
John LockeCertainly great persons had need to borrow other men's opinions to think themselves happy; for if they judge by their own feeling, they cannot find it: but if they think with themselves what other men think of them, and that other men would fain be as they are, then they are happy as it were by report, when, perhaps, they find the contrary within.
John Locke