Meditation brings wisdom; lack of mediation leaves ignorance. Know well what leads you forward and what hold you back, and choose the path that leads to wisdom.
Most of us were looking at our phones. And resigned in the act, too — no pretense of apology, no genuine sense that it was inappropriate or impolite. Once acknowledged, more people took phones out, and we all began concentrating on them in earnest rather than guiltily, enjoying the permission to indulge in the few minutes of relief we all knew we all wanted.