From time immemorial, great minds have attempted to pin down the source of happiness, and to beloved actress and three-time Oscar winner Meryl Streep, joy is a fairly simple matter. “Everything else — power, influence, strength — all those things can overpower what's important in life,” she said in a 2011 interview with “The Talks.” Streep pointed out that the best pleasures in life are often the most basic human needs — the secret is to never take them for granted.