The man who goes alone can start today; but he who travels with another must wait till that other is ready, and it may be a long time before they get off.
Source: Walden, Economy, 1854.
-- Henry David Thoreau, (Jul 12 1817-1862), US essayist, poet, naturalist; He is best known for his description of life at Walden Pond, Walden, 1854 and his essay Civil Disobedience, 1849.