From time to time it’s good to look at the Futurist Manifesto:

‘7. Beauty exists only in struggle. There is no masterpiece that has not an aggressive character. Poetry must be a violent assault on the forces of the unknown, to force them to bow before man.’

Read it here.

Today many of us think: justice exists only in struggle.

And then there are people who long for a holiday from the struggle, struggle on Twitter is enough for them.
As long you see beauty in struggle you must be an optimist.