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We have to know that nothing is promised, nothing is guaranteed, especially tomorrow.

I'm not optimistic.

Nothing is ever guaranteed, and all that came before doesn't predicate what you might do next.

Nothing keeps its promise.

I'm not a betting man.

Nobody gets anything for nothing.

I'm pretty confident.

People take chances every now and then, and you don't want to disappoint them.

I'm not the betting kind.

I'm confident and really optimistic.