Of course we all have our limits, but how can you possibly find your boundaries unless you explore as far and as wide as you possibly can? I would rather fail in an attempt at something new and uncharted than safely succeed in a repeat of something I have done.
Everybody has a responsibility for what they put out into the world. Rather than trying to figure out what other people should be doing, work on your own interactions in the world and whatever influence they have. All of it has an effect.
The point, which can hardly be repeated too often, is that differentiation is not separation. The head and the feet are different, but not separate, and though man is not connected to the universe by exactly the same physical relation as branch to tree or feet to head, he is nonetheless connected - and by physical relations of fascinating complexity.
I have learned to live my life one step, one breath, and one moment at a time, but it was a long road. I set out on a journey of love, seeking truth, peace and understanding. I am still learning.