the early bird catches the worm 早起的鸟儿有虫吃，捷足先登

【例句】
Starting sooner means learning more：the early bird catches the worm.
越早开始意味着学到的越多：早起的鸟儿有虫吃。

The serious buying happens between 6 and 8am, and it is very much the case that the early bird catches the worm.
大量的购买集中在早晨6点到8点之间，那时的情况真的就是先到先得。