A smile happens in a flash, but its memory can last a lifetime.
Every great idea starts out as a blasphemy.
An Honest politician will not be tolerated by a democracy unless he is very stupid ... because only a very stupid man can honestly share the prejudices of more than half the nation.
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
The secret to happiness is to face the fact that the world is horrible.
Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.
Even when the experts all agree, they may well be mistaken.
The world is full of magical things patiently waiting for our wits to grow sharper.
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.
The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd; indeed in view of the silliness of the majority of mankind, a widely spread belief is more likely to be foolish than sensible.
Science does not aim at establishing immutable truths and eternal dogmas; its aim is to approach the truth by successive approximations, without claiming that at any stage final and complete accuracy has been achieved.
Most of the greatest evils that man has inflicted upon man have come through people feeling quite certain about something which, in fact, was false.
I once saw a photograph of a large herd of wild elephants in Central Africa Seeing an airplane for the first time, and all in a state of wild collective terror... As, however, there were no journalists among them, the terror died down when the airplane was out of sight.
I would never die for my beliefs because I might be wrong.
No great achievement is possible without persistent work.
The best life is the one in which the creative impulses play the largest part and the possessive impulses the smallest.
If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have a paradise in a few years.
People seem good while they are oppressed, but they only wish to become oppressors in their turn: life is nothing but a competition to be the criminal rather than the victim.
Organized people are just too lazy to look for things
Remember your humanity, and forget the rest.
God and Satan alike are essentially human figures, the one a projection of ourselves, the other of our enemies.
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.
There is much pleasure to be gained from useless knowledge.
I believe four ingredients are necessary for happiness: health, warm personal relations, sufficient means to keep you from want, and successful work.
One should as a rule respect public opinion in so far as is necessary to avoid starvation and to keep out of prison, but anything that goes beyond this is voluntary submission to an unnecessary tyranny.
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