It is one of the most beautiful compensations of this life that no person can sincerely try to help another without helping him or herself. Serve and you shall be served. If you love and serve people, you cannot, by any hiding or stratagem, escape the remuneration.

Nothing is arbitrary, nothing is insulated in beauty. It depends forever on the necessary and the useful. The plumage of the bird, the mimic plumage of the insect, has a reason for its rich colors in the constitution of the animal. Fitness is so inseparable an accompaniment of beauty, that it, has been taken for it.

Eloquence must be grounded on the plainest narrative. Afterwards, it may warm itself until it exhales symbols of every kind and color, speaks only through the most poetic forms; but first and last, it must still be at bottom a biblical statement of fact.

To laugh often and much ... this is to have succeeded. Probably not from Emerson: here's the full quotation and the story.

Enlarge not thy destiny, said the oracle: endeavor not to do more than is given thee in charge.

These times of ours are series and full of calamity, but all times are essentially alike. As soon as there is life there is danger.

Thus inevitably does the universe wear our color, and every object fall successively into the subject itself. The subject exists, the subject enlarges; all things sooner or later fall into place. As I am, so I see; use what language we will, we can never say anything but what we are.