Enter your tunnel

When a train goes through a tunnel and it gets dark, you don't throw away the ticket and jump off. You sit still and trust the engineer.

Corrie Ten Boom, Dutch author, 15-4-1892 - 15-4-1983

https://www.brainyquote.com/quotes/corrie_ten_boom_393675?src=t_tunnel

And this is my favorite:
“Damn the tunnels and fuck those who wait for the light at the end of it, Darling;
Just stop wasting your time and learn to be your own kind of light …”
By Samiha Totanji