Why did Helen feel that her sense of kinship with rest of the world grew constantly?

The more Helen learned and experienced, the more connection she felt to the world around her.

I recall many incidents of the summer of 1887 that followed my soul's sudden awakening. I did nothing but explore with my hands and learn the name of every object that I touched; and the more I handled things and learned their names and uses, the more joyous and confident grew my sense of kinship with the rest of the world.