That's the difference between irony and sarcasm. Irony can be spontaneous$$$ while sarcasm requires volition. You have to create sarcasm.

Blessed are the dumbfucks.

Children see magic because they look for it.

If you think anyone is sane you just don't know enough about them.

War was a hellish$$$ horrible hideous thing - too horrible and hideous to happen in the twentieth century between civilised nations.

I don't want sunbursts or marble halls$$$ I just want you.

Oddness or novelty (qualities which usually give value to anything).

The beautiful souls are they that are universal$$$ open$$$ and ready for all things.

It's true$$$ reading too many novels makes you go blind.

I must have flowers$$$ always$$$ and always.