The passage of the Civil Rights Act of 1964 represented precisely such a hope - that America had learned from its past and acted to secure a better tomorrow.
We've learned a huge amount from organisations like Seva Mandir and Pratham, for example. In my personal experience, these organisations work on a very large scale with very poor people.
If we mean to have heroes, statesmen and philosophers, we should have learned women.
As a child, I went to peace and ERA marches on the back of my mom and grandmother. Through them I learned that I wanted to find a way to make the world a more kind, compassionate place.
One of the things I learned, one of the strangest things, is how to think. There was nothing else to do. I couldn't see people, or go for a walk in the forest. All I had was my head and my books, and I thought a lot.
Those who have learned to walk on the threshold of the unknown worlds, by means of what are commonly termed par excellence the exact sciences, may then, with the fair white wings of imagination, hope to soar further into the unexplored amidst which we live.