Our acts our angels are, or good or ill, Our fatal shadows that walk by us still. - Ralph Waldo Emerson

The imitator dooms himself to hopeless mediocrity. The inventor did it, because it was natural to him, and so in him it has a charm. In the imitator, something else is natural, and he bereaves himself of his own beauty, to come short of another man's.

It is easy in the world to live after the world's opinion; it is easy in solitude to live after our own; but the great man is he who in the midst of the crowd keeps with perfect sweetness the independence of solitude.

Bad times have a scientific value. These are occasions a good learner would not miss.