People are entirely too disbelieving of coincidence. They are far too ready to dismiss it and to build arcane structures of extremely rickety substance in order to avoid it. I, on the other hand, see coincidence everywhere as an inevitable consequence of the laws of probability, according to which having no unusual coincidence is far more unusual than any coincidence could possibly be.
Nothing has such power to broaden the mind as the ability to investigate systematically and truly all that comes under your observation in life.
What I have achieved by industry and practice, anyone else with tolerable natural gift and ability can also achieve.
Genius might be the ability to say a profound thing in a simple way.
Intelligence is the ability of seeing and reproducing in an objective manner everything that exists and happens.
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.
Genius is the ability to put into effect what is on your mind.
Neurosis is the inability to tolerate ambiguity.
Paradoxically, the ability to be alone is the condition for the ability to love
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
Great ability develops and reveals itself increasingly with every new assignment.
Intelligence is the ability to adapt to change.
Youth is happy because it has the ability to see beauty. Anyone who keeps the ability to see beauty never grows old.
The ability to observe without evaluating is the highest form of intelligence.
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
“All of humanity's problems stem from man's inability to sit quietly in a room alone.”
"Cultivate truth, good faith, experience, cleverness, sociability, and industry.
I have no faith in human perfectability. I think that human exertion will have no appreciable effect upon humanity. Man is now only more active - not more happy - nor more wise, than he was 6000 years ago.
My intention here is to make it clear that not a single cell of my composition, here in regard to The Raven, is found by chance or intuition, that the composition moved towards perfection with the precision and inevitability of a mathematical equation.
The attitude of the men is equally worthy of admiration...there is a rush to be first when work is to be done, and the same desire to sacrifice selfish consideration to the success of the expedition...Fortune would be in a hard mood indeed if it allowed such a combination of knowledge, experience, ability, and enthusiasm to achieve nothing.