Conquer the world by intelligence, and not merely by being slavishly subdued by the terror that comes from it.
Man is a credulous animal, and must believe something; in the absence of good grounds for belief, he will be satisfied with bad ones.
Freedom in general may be defined as the absence of obstacles to the realization of desires.
Neither a man nor a crowd nor a nation can be trusted to act humanely or to think sanely under the influence of a great fear.
Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.
I would never die for my beliefs because I might be wrong.
Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines.
Collective fear stimulates herd instinct, and tends to produce ferocity toward those who are not regarded as members of the herd.
Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.
Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.
Boredom is a vital problem for the moralist, since at least half the sins of mankind are caused by the fear of it.
None but a coward dares to boast that he has never known fear.
Boredom is... a vital problem for the moralist, since half the sins of mankind are caused by the fear of it.
A generation educated in fearless freedom will have wider and bolder hopes than are possible to us
The experience of overcoming fear is extraordinarily delightful.
All forms of fear produce fatigue.
Human life, its growth, its hopes, fears, loves, et cetera, are the result of accidents