He doesn’t think of the past, because it hurts too much to remember, and he doesn’t think of the future, because hope alone is not enough to get him through it all. (He hopes anyway, because it’s all he has.)
Source: i carry your heart with me (i carry it in my heart), by fish_from_murderland – 魔道祖师 – 墨香铜臭 | Módào Zǔshī – Mòxiāng Tóngxiù [Archive of Our Own]
Song Lan after Yi City. There isn’t enough SongXiao out there, and this is simply beautiful in its sadness.