| Link | Quote | Stars | Tags | Author |
| a6df2b1 | exercise-induced brain chemicals help people think clearly. | Gretchen Craft Rubin | ||
| 9a53fc4 | Enthusiasm is more important to mastery than innate ability, it turns out, because the single most important element in developing an expertise is your willingness to practice. | Gretchen Craft Rubin | ||
| e84efa5 | A recent study showed that 25 percent of Americans don't get any exercise at all. Just by exercising twenty minutes a day three days a week for six weeks, persistently tired people boosted their energy. | Gretchen Craft Rubin |