"Today is your day" that means that today is Dr.seuss birthday.
"your off to Great Places" means that he has done a good job.
"You have brains in your head"Means hes still alive.
"you have feet on your shoes"Means you are wealthy
"you can steer again"means that he can do anything.
"your on your own"means hes out without his mom
"I know what you know"means he can do any job and can do well in life.
"your the guy that who will go anywhere"means he can go anywhere he wants.
"you look up and down the streets with care" means that he will look over people and make sure its safe.
"I don't choose where to go"means he or she won't go with him everywhere.