What is obligatory?
Certainly writing poetry
In any particular language
Is not obligatory.
Certainly sketching in any
Particular line or color
Is not obligatory.
Certainly it is not obligatory
To eat to drink to bathe
Or to do forcibly.
And what is obligatory
It is nothing and nothing
It is just craving for nothing.

gajanan mishra

http://www.poemhunter.com/poem/obligatory/