他在旧书里发现了一封泛黄的信。
tā zài jiù shū lǐ fāxiàn le yì fēng fànhuáng de xìn.
In an old book he found a yellowed letter.
信上的字已经模糊，却仍然温暖。
xìn shàng de zì yǐjīng móhu, què réngrán wēnnuǎn.
The words on it had blurred, yet they were still warm.
他终于明白，有些话迟到了几十年。
tā zhōngyú míngbai, yǒuxiē huà chídào le jǐ shí nián.
He finally understood: some words had arrived decades late.