the poem traditionally attributed to Wani in the Kokin Wakashū kana preface:

Kyūjitai form of 愛国歌 (“Aegukka, the North Korean national anthem”) / Kyūjitai form of 愛国歌 (“Aegukga, the South Korean national anthem”)

(idiomatic, proverb) be quick on the uptake, understand the whole situation from just a few clues

where there is a will there is a way

(philosophy) I think therefore I am

If one learns without thinking, one will be lost in his learning. That is, if one does not think about what one learns, he will not arrive at the truth of it.

one has not lived in vain if he dies after he is told of the true path