I really wanted to be a ...

I really wanted to be a doctor, until my freshman year of college when I realized that while I was good at chemistry and biology, I really wasn't feeling challenged by it.
 Marissa Mayer

Quotes from the same author

I’ve come to realize that being a mother makes me a better executive, because motherhood forces prioritization. Being a mom gives you so much more clarity on what is important.
 Marissa Mayer
Beyond basic mathematical aptitude, the difference between good programmers and great programmers is verbal ability.
 Marissa Mayer
I always did something I was a little not ready to do. I think that's how you grow.
 Marissa Mayer
If you're the smartest person in the room, you're in the wrong room.
 Marissa Mayer