There are some famous aphorisms with unknown second half. For example, if my hair reaches my waist, it would be nice for the young man to marry me. He doesn't know the second half of the sentence, but he is afraid that if my hair reaches my waist, the young man will fall in love with someone else. And success is 99% of sweat plus 1% of inspiration. The second half of the sentence that is unknown is that sometimes 1% of inspiration is more important than 99% of sweat.