You win some you lose some American British cliché
This expression is used to console someone for their loss or failure.
You may succeed in or fail in some moments in life.
Don't cry for something over. You win some, you lose some.
I know you have invested all your soul and heart for that game, but remember that you win some, you lose some. Chin up and go ahead.
You win some, you lose some. Be optimistic and chase your dream.
To do domething based on your emotions rather than for rational reasons
I can't believe that Tom beat his classmate. He's always the one who let his heart rule his head.