5. a priori Logical propositions are such as can be known a priori without study of the actual world.
Bertrand Russell (1872 - 1970)
Source: Chapter XVIII of Introduction to Mathematical Philosophy, Russell
Contributed by: Zaady
Conventional people are roused to fury by departure from convention, largely because they regard such departure as a criticism of themselves.
Source: The Conquest of Happiness
The desire to understand the world and the desire to reform it are the two great engines of progress.
Source: Marriage and Morals.
Men are born ignorant, not stupid. They are made stupid by education.
Education ought to foster the wish for truth, not the conviction that some particular creed is the truth.
We are faced with the paradoxical fact that education has become one of the chief obstacles to intelligence and freedom of thought.
Never let yourself be diverted either by what you would wish to believe or by what you think would have beneficent social effects if it were believed. Look only at . . . the facts.
Sanity calms, but madness is more interesting.
Of all forms of caution, caution in love is perhaps the most fatal to true happiness.
Change is one thing, progress is another. "Change" is scientific, "progress" is ethical; change is indubitable, whereas progress is a matter of controversy.
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