Crossword puzzle clue "without any evidence like a weak argument"

Without any evidence, like a weak argument

Like a weak argument

"Appear weak when you are strong, and strong when you are weak" writer

Conveniently weak argument, metaphorically

Answer to the riddle "What has rivers without water, forests without trees, and cities without houses?"

Accept a difference of opinion without further argument

Remove any potential evidence

Like a battery without any juice