Life is infinitely stranger than anything which the mind of man could invent.
The most dangerous condition for a man or a nation is when his intellectual side is more developed than his spiritual. Is that not exactly the condition of the world today?
When the impossible has been eliminated, all that remains no matter how improbable is possible.
The world is full of obvious things which nobody by any chance ever observes.
It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
When the spirits are low, when the day appears dark, when work becomes monotonous, when hope hardly seems worth having, just mount a bicycle and go out for a spin down the road, without thought on anything but the ride you are taking.
Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.
Healthy scepticism is the basis of all accurate observation.
You see, but you do not observe.
A dog reflects the family life. Whoever saw a frisky dog in a gloomy family, or a sad dog in a happy one? Snarling people have snarling dogs, dangerous people have dangerous ones.
You yourself may not be luminous, but you are a conductor of light.
Skill is fine, and genius is splendid, but the right contacts are more valuable than either.
There is nothing more deceptive than an obvious fact.
Education never ends, Watson. It is a series of lessons, with the greatest for the last.
The love of books is among the choicest gifts of the gods.
Any truth is better than indefinite doubt.
Dogs don't make mistakes.
It is stupidity rather than courage to refuse to recognize danger when it is close upon you.
I'm not a psychopath, I'm a fully functioning sociopath. Do your research.
There are always some lunatics about. It would be a dull world without them.
The grand thing is to be able to reason backwards.
I don't speak for others and they don't speak for me.
It has long been an axiom of mine that the little things are infinitely the most important.
It may be that you are not yourself luminous, but that you are a conductor of light. Some people without possessing genius have a remarkable power of stimulating it.
The chief proof of man's real greatness lies in his perception of his own smallness.
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