Lions don't turn around because dogs bark, swans don't care about sparrows.
It means that people who achieve great things and have great ambitions will not give up their ideal ambitions because of mediocre words.
People should be ambitious and broad-minded
By extension, it means that people who are truly intimidating will not be influenced by some insignificant little characters, or that great plans will not be stopped or deployed out of order by small factors.
If you have your own dream, go ahead firmly and be yourself bravely. No matter who misunderstood or blocked it, it is hard not to deal with some particularly serious things in reality, but if you stick to your ideals and take circuitous ways to move forward, your great dreams will come true, stick to your beliefs and take care of yourself. We are also great men!
Send a message to those birds, don't chirp endlessly, you should see swans flying high in Wan Li!
Poetry means that people should be self-aware, not complacent and get carried away.
The original sentence is, don't cry because of the twittering of birds, spread your wings and go straight silently.
Don't argue with others because of their comments, just keep your faith and prepare silently before taking off.
Similar to that sentence, go your own way and let others talk, but here the metaphor of sparrow and swan is used to modify it.
What we have to do is to contribute to the goal.
The implication of this sentence is "take the road of awesome, let SB say it."