Be optimistic and know your destiny
Chinese idiom, Pinyin is d á Gu ā nzh ī m ì ng, which means to be open to unpleasant things, to be at the mercy of fate and not to worry. From Mao Dun's disillusionment.
The origin of Idioms
Mao Dun's disillusionment 14: "the thought of being optimistic and knowing one's fate leaves the thorns of depression for the time being. She fell asleep at dawn
Idiom usage
You can't have the idea of.
Be optimistic and know your destiny
wink and make signs to one another - jǐ méi nòng yǎn