Solitude is naught and society is naught. Alternate them and the good of each is seen.

Don't set out to teach theism from your natural history... You spoil both.

The exceptional life depends not on working harder, but on different, even opposite, actions from habit and the crowd.

Give all to love: Obey thy heart; Friends, kindred, days, Estate, good fame, Plans, credit, and the Muse,- Nothing refuse.

We, as we read, must become Greeks, Romans, Turks, priest and king, martyr and executioner; must fasten these images to some reality in our secret experience, or we shall learn nothing rightly.

By his machines man can dive and remain under water like a shark; can fly like a hawk in the air; can see atoms like a gnat; can see the system of the universe of Uriel, the angel of the sun; can carry whatever loads a ton of coal can lift; can knock down cities with his fist of gunpowder; can recover the history of his race by the medals which the deluge, and every creature, civil or savage or brute, has involuntarily dropped of its existence; and divine the future possibility of the planet and its inhabitants by his perception of laws of nature.

The right merchant is one who has the just average of faculties we call common sense; a man of a strong affinity for facts, who makes up his decision on what he has seen. He is thoroughly persuaded of the truths of arithmetic. There is always a reason, in the man, for his good or bad fortune in making money. Men talk as if there were some magic about this. He knows that all goes on the old road, pound for pound, cent for cent - for every effect a perfect cause - and that good luck is another name for tenacity of purpose.