Solitude is the nurse of enthusiasm, enthusiasm is the true part of genius.

Self-love is a principle of action; but among no class of human beings has nature so profusely distributed this principle of life and action as through the whole sensitive family of genius.

To think, and to feel, constitute the two grand divisions of men of genius-the men of reasoning and the men of imagination.

The Self-Educated are marked by stubborn peculiarities.

One may quote till one compiles.

Bayle, when writing on "Comets," discovered this; for having collected many things applicable to his work, as they stood quoted in some modern writers, when he came to compare them with their originals, he was surprised to find that they were nothing for his purpose! the originals conveyed a quite contrary sense to that of the pretended quoters, who often, from innocent blundering, and sometimes from purposed deception, had falsified their quotations. This is an useful story for second-hand authorities!

There is an art of reading, an art of thinking, and an art of writing.