איך אומרים באנגלית "הדבר הכי טוב שאי פעם עלה בדעתו"?

the best thing that ever came to his mind.
ככה אפשר אם אני לא טועה.

the best thing that has ever gotten into his mind

the best thing that ever came to his mind

the best thing that has ever popped up to/on his mind.

the most brilliant idea that has ever hit him
the most brilliant idea that has ever struck him
flashed through his mind
popped into his mind
entered his mind
occured to him
struck him
come into his mind

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אומרים:
come to mind
spring to mind
dawn on someone
leap to mind
go through one's head
come up with a brilliant idea
churn out brilliant ideas
brainstorm ideas