命裡有時終須有，命裡無時莫強求 [－里－时终须－－－里无时－强－]

Jyutping meng6 leoi5 jau5 si4 zung1 seoi1 jau5 ， meng6 leoi5 mou4 si4 mok6 koeng5 kau4
Pinyin mìng lǐ yǒu shí zhōng xū yǒu ， mìng lǐ wú shí mò qiǎng qiú

Definitions (Wiktionary)
  1. proverb
    In one's life, when one's wish comes true, it finally comes true, but one is disappointed, one doesn't insist.