Find that pursuit that will energize you, consume you, become an obsession. Each day, you must rise with a restless enthusiasm. If you don't, you are working.
Jean Prouvaire was timid only in repose. Once excited, he burst forth, a sort of mirth accentuated his enthusiasm, and he was at once both laughing and lyric.
I found him well educated, with unusual powers of mind, but infected with misanthropy, and subject to perverse moods of alternate enthusiasm and melancholy.