Answer:
There's a lot of people in the world with different skills and abilities to do things that a person can't. It's like you can do anything but not everything. The world is full of big things to do and achieve. You can have great gifts and talents, you can have many hopes and projects, and you can have many obligations to fulfill. But without the help of your family and teachers, you wouldn't know anything about the world or things.
For example:
I can only carry 20 heavy bags, and you can carry 25 heavy bags, but if we cooperated and helped each other, we can carry more bags. Based on my opinion, I think the meaning of the quote is actually telling us that if we have cooperation and unity, then, we can do many incredible things that we didn't expect.
