Those who have brains and courage come through all right. Those that haven't are winnowed out.
brains and courage
1.come through all right
例句：I hope he will come through all right.
拓展：XX all right
"Can you walk all right?" the nurse asked him.
do all right 释义 to be successful in your job, life etc
例句：He did all right in that Navy movie, whatever it was.
I think I did all right.
read all right 读的挺好→读完了
You have read the book all right.
2. winnow out
释义：to get rid of the things or people that you do not need or want from a group 排除 移除
例句：Time has winnowed out certain of the essays as superior.