evidence: The same goes for the reverse: problems, failure, and other issues become habits, too. You'll develop a talent for the things you repeatedly practice. Choose what they are wisely, or you may achieve excellence in something that doesn't matter to you. UPDATE: This quotation is actually not from Aristotle. Reader John Bargayo points out that it comes from from Will Durant's The Story of Philosophy, which summed up Aristotle's thoughts in a more eloquent manner. [...] "We Are What We Repeatedly Do…" | The Happiness Project via Swissmiss