道だ

is a path or course in life

→ 道
phrase Uncommon #12,599
is a path or course in life A metaphor for the direction someone takes through life or a choice they make, rather than a physical road.
JA: 人生は長い、長い道だ。
EN: Life is a long, long road.

俺の方が険しい道だ!

My path is the more arduous one!

— 続・夕陽のガンマン (1966)

人生は長い、長い道だ。

Life is a long, long road.

逮捕されても―奴が選んだ道だ

Even if he gets arrested—it’s the path he chose.

— パディントン2 (2017)

"君は僕の道だ"

You are my way.

— バジュランギおじさんと、小さな迷子 (2015)

奴らが選んだ道だ

It's the path they chose.

— TAXi (1998)

自分で選んだ道だ

This is the path I chose.

— オデッセイ (2015)

お互い生きるために…神父と盗賊になった兄貴も俺も自分で選んだ道だ

To survive… my brother became a priest and I became a thief. We both chose our own paths.

— 続・夕陽のガンマン (1966)