True Specific Gravity

Famous quotes containing the words true and/or specific:

“Marching is when the pulse of the hero beats in unison with the pulse of Nature, and he steps to the measure of the universe; then there is true courage and invincible strength.”
—Henry David Thoreau (1817–1862)

“The permanence of all books is fixed by no effort friendly or hostile, but by their own specific gravity, or the intrinsic importance of their contents to the constant mind of man.”
—Ralph Waldo Emerson (1803–1882)