The way in which a man accepts his fate and all the suffering it entails... adds a deeper meaning to his life.
Progress in agriculture must be measured not just in yield, but in long-term environmental impact.
Happiness in this world, when it comes, comes incidentally. Make it the objet of pursuit, and it leads us a wild-goose chase, and is never attained. Follow some other object, and very possibly we may find that we have cought happiness without dreaming of it.