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I would sooner fail than not be among the greatest

... when you have eliminated the impossible, whatever remains, however improbable, must be the truth

A man has as many social selves as there are individuals who recognize him.

There are two kinds of taste, the taste for emotions of surprise and the taste for emotions of recognition

We must, however, acknowledge, as it seems to me, that man with all his noble qualities... still bears in his bodily frame the indelible stamp of his lowly origin.

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts