If you wish success in life, make perseverance your bosom friend, experience your wise counselor, caution your elder brother and hope your guardian genius.
Joseph Addison (1672-1719) – Attributed – but unclear. Earliest reference in print is Eliza Cook’s Journal Vol. 2, (1854), p. 128, but without credit to an author.
We mount to heaven mostly on the ruins of our cherished schemes, finding our failures were successes.
Amos Bronson Alcott (1799-1888 ) Quoted in Treasury of Thought forming an Encyclopedia of Quotations from Ancient and Modern Authors, Maturin M. Ballou, 10th ed., p127.
Do not think that what is hard for you to master is humanly impossible; but if a thing is humanly possible, consider it to be within your reach.
Marcus Aurelius (121-180) – Meditations (c. 161–180 CE) Book VI, 19
We must walk consciously only part way toward our goal, and then leap in the dark to our success.
Author Unknown – Attributed to Thoreau, but not found in his writings.