Be cheerful [and grateful for the good that you have]: do not brood over fond hopes unrealized until a chain is fastened on each thought and wound around the heart. Nature intended you to be the fountain-spring of cheerfulness and social life, and not the mountain of despair and melancholy.
Arthur HelpsRare almost as great poets, rarer, perhaps, than veritable saints and martyrs; are consummate men of business. A man, to be excellent in this way, requires a great knowledge of character, with that exquisite tact which feels unerringly the right moment when to act. A discreet rapidity must pervade all the movements of his thought and action. He must be singularly free from vanity, and is generally found to be an enthusiast who has the art to conceal his enthusiasm.
Arthur Helps