I have found that the greatest degree of inner tranquility comes from the development of love and compassion. The more we care for the happiness of others, the greater is our own sense of well-being. Cultivating a close, warmhearted feeling for others automatically puts the mind at ease. It is the ultimate source of success in life.
I pack my trunk, embrace my friends, embark on the sea and at last wake up in Naples, and there beside me is the stern fact, the sad self, unrelenting, identical, that I fled from.
The reasonable man adapts himself to the world; the unreasonable one persists to adapt the world to himself. Therefore all progress depends on the unreasonable man.