Who knows whether the gods will add tomorrow to the present hour? – Horace

When we lose one we love, our bitterest tears are called forth by the memory of hours when we loved not enough. – Maurice Maeterlinck, Wisdom and Destiny, 1901, translated by Alfred Sutro

Life happens too fast for you ever to think about it. If you could just persuade people of this, but they insist on amassing information. – Kurt Vonnegut, Jr.

The bitterest tears shed over graves are for words left unsaid and for deeds left undone. – Harriet Beecher Stowe, Little Foxes, 1865