The best Quotations

When a man fell into his anecdotage it was a sign for him to retire from the world.
- Benjamin Disraeli

Do you know the writers of the following quotations?

Quotation When defeat comes, accept it as a signal that your plans are not sound, rebuild those plans, and set sail once more toward your coveted goal. - writer
Quotation One universe made up all that is; and one God in it all, and one principle of being, and one law, the reason shared by all thinking creatures, and one truth. - writer
Quotation One ought, every day at least, to hear a little song, read a good poem, see a fine picture and, if possible, speak a few reasonable words. - writer
Quotation One good analogy is worth three hours discussion. - writer
Quotation The measure of a great leader, is their success in bringing everyone around to their opinion twenty years later. - writer
Quotation Music is essentially useless, as life is: but both lend utility to their conditions. - writer