It means: the sky is the shore at the end of its sea, and the tallest man in the mountain is its peak. Among them, the implied artistic conception is lofty and broad, and its internal meaning is to tell people never to be satisfied, never to strive for progress, and never to stop pursuing their lofty ideals.
Extended data:
A poem with the same meaning:
1, the poet Wang Guozhen also has such a poem: "There is no road longer than feet, and there is no mountain higher than people";
2. Du Fu's poem "Looking at Yue": When you climb to the top of the mountain, you will know that other mountains are short under the sky ... The contrast between the small mountain and the high mountain of Mount Tai shows the poet's ambition and spirit of not being afraid of difficulties, daring to climb to the top and overlooking everything. At the same time, this is also the key for Du Fu to become a great poet, and it is also indispensable for all those who make a difference. ?
Baidu encyclopedia-the mountain is high for the peak.