The light perceived before the rising, and after the setting, of the sun, or when the sun is less than 18 degrees below the horizon, occasioned by the illumination of the earth's atmosphere by the direct rays of the sun and their reflection on the earth.
faint light; a dubious or uncertain medium through which anything is viewed.
Far better is it to dare mighty things, to win glorious triumphs, even though checkered by failure... than to rank with those poor spirits who neither enjoy nor suffer much, because they live in a gray twilight that knows not victory nor defeat. Theodore Roosevelt
The hours I spend with you I look upon as sort of a perfumed garden, a dim twilight, and a fountain singing to it. You and you alone make me feel that I am alive. Other men it is said have seen angels, but I have seen thee and thou art enough. George Edward Moore
It was once said that the moral test of government is how that government treats those who are in the dawn of life, the children; those who are in the twilight of life, the elderly; and those who are in the shadows of life, the sick, the needy and the handicapped. Hubert H. Humphrey