their fate; their own devices
Feliz es el hombre que está contento con su suerte.
Happy is the man who is content with his lot.
A esos niños los abandonaron a su suerte.
Those children were abandoned to their fate.
Dé un agrado si su suerte lo merece.
Give it a like if your luck deserves it.
— Estación central de Brasil (1998)
Un verdadero hombre hace su suerte.
A true man makes his luck.
He couldn't believe his luck.