Angels fly because they take themselves lightly, - Arianna Huffington

Ten thousand flowers in spring, the moon in autumn, a cool breeze in summer, snow in winter. If your mind isn’t clouded by unnecessary things, this is the best season of your life. — WU MEN

Socrates said, “the unexamined life is not worth living.

"Self-control requires mental energy, and each of us has a limited reservoir. When we're tired, these energy reserves run low, and our self-control suffers. This is why, warns a 2015 review from Clemson University, sleep deprivation puts us at greater risk of "succumbing to impulsive desires, poor attentional capacity, and compromised decision making.