To know what you like is the beginning of wisdom and of old age. Youth is wholly experimental. The essence and charm of that unquiet and delightful epoch is ignorance of self as well as ignorance of life.
I don't know why there's not more activism today. I do think that your generation is twenty times smarter than our generation ever was, but the problem with being smart like you guys is that it can lead you really easily to being cynical, and cynicism is actually a pacifying attitude.