네 미래는 네 손에 달려있어.

A: I recently had my palm read. My future is good!
B: I don’t really go for all that mumbo-jumbo.
A: Why not? Does that mean I’m headed for trouble?
B: 네 미래는 네 손에 달려있는 거지, not on your hands.

A: 얼마 전 손금을 봤는데, 내 운세가 좋대!
B: 난 그런 말도 안 되는 말은 안믿어.
A: 왜? 그럼 나한테 무슨 문제라도 생기게 된단 말이야?
B: Your future is “in your hands”, 손금에 달려있는 게 아니라구.

[Additional expressions]
*I recently had my palm read.
– Not long ago, a fortune teller read my palm. / Recently, my fortune was told.
*My future is good!
– Things are looking good in my future! / It appears I’m going to have a good future!
*I don’t really go for all that
– I really don’t believe in all that / I just can’t put much faith in that
*mumbo-jumbo
– hullabaloo / hogwash / gibberish / hocus-pocus
*Why not?
– How come? / What’s wrong with it? / What reason do you have not to?
*Does that mean I’m headed for trouble?
– Are you saying my future will be bad? / Should I be scared?
*Your future is “in your hands”
– What happens in your future is all up to you / You decide your own future
*not on your hands
– it’s not about the lines in your skin / it doesn’t depend on your palm lines