The heights by great men reached and kept / Were not attained by sudden flight, / But they, while their companions slept, / Were toiling upward in the night.
伟人所能达到并保持的高度不是靠突然的飞行所能达到的，而是当他们的同伴熟睡时，他们在夜间努力向上攀登。
标签
Persistence