"If you travel far, you will swim, and if you climb high, you will feel inferior" means: If you want to go a long way and achieve a lofty goal, you must start from nearby; If you want to climb to the top of the mountain, you will see that other mountains are short under the sky. From a distance, you must start from the foot of the mountain;
Example: Su's introduction to Yu Xi's poetry fans: "This also means that you will feel inferior if you climb high, and you will feel inferior if you walk far".
The source of "a gentleman's way, if you go far, you will feel inferior if you climb high": "a gentleman's way, if you go far, you will feel inferior if you climb high."