“One must maintain a little bit of summer, even in the middle of winter.” — Henry David Thoreau · Journal
“Rest is not idleness, and to lie sometimes on the grass under trees on a summer's day, listening to the murmur of the water, or watching the clouds float across the sky, is by no means a waste of time.” — John Lubbock · The Use of Life, 1894
“Do not grieve over what has passed, and do not be overjoyed by what has come to you.” — Luqman · Attributed in classical Arabic wisdom literature
“Silence is wisdom, yet few practice it.” — Luqman · Widely attributed in classical Arabic wisdom literature
“We commanded man to be good to his parents. His mother carried him with increasing weakness, and his weaning takes 2 years. Be grateful to Me and to your parents.” — Luqman · Quran, Surah Luqman 31:14