Question

why is it important to not make dreams master In the poem ' If '

Answer 1

If you can dream—and not make dreams your master"

This means that you should not be completely blinded by your dreams.

Many are blinded by their dreams. They let go of reason and are so passionate about their dreams that they eventually end up making irreparable mistakes in life.

So if you can dream but not be lured by it so much that it actually blinds you , is the meaning of the above lines !