Who's afraid of little old me?

"You're a great buffer between them, young Uraraka! Those two only need to work out their differences to make an excellent duo, and I believe that you can do it! What other reason there is to put you on the same team as them when you're not strong enough to be considered their equal and never will be?"

Otherwise known as the All Might's cruel words that sent Ochako Uraraka into an existential crisis