"mongol800 don't worry be happy" 的歌詞如下：
Don't worry be happy
Everyday life is beautiful
Don't worry be happy
Just let it go and believe
The world is so big
We're just a small part of it
But we can make a difference
So let's be brave and not be afraid
Don't worry be happy
And live your life the way you want to
Take a deep breath and believe in yourself
You'll find the way and you'll be alright
The sun will rise
And the day will be brighter than ever
So don't worry be happy
And enjoy every moment of it
Life is like a beautiful painting
With all the colors in it
So don't worry about the imperfections
Just add your own touch and be yourself
Come on everyone, let's start believing
That we can do it and that we're strong enough
We can rise up and conquer our fears
And make our dreams come true, believe in me!
重複“Don't worry be happy”的歌詞，最後呼籲每個人都要開心地生活，相信自己的力量，追逐夢想。