Do not demand her 'respect' for you as a parent; it will weaken your argument.

Irenaeus' argument is that they would not weaken their own argument by adding years to Jesus' age.

It weakens its argument by being needlessly silent about costs.

Malebranche, however, weakened Descartes' argument, concluding that, from a philosophical point of view, its existence could only be shown to be probable.

Then he decided that they were not yet solid enough to voice to the marshal; and might, indeed, even weaken his argument.

And such a lack of dispassion weakens the one-sided film's bold and detailed argument".

All in all this kind of sloppy thinking with bogus examples weakens your argument- fatally.

This weakens the splitters' argument that to reconstitute high-level meaning from the basic ingredients requires only the right recipe.

Raycun, actually I think you weaken your argument with the snarky comment about how many Kindle users make that claim.

Ad-hominem attacks only serve to weaken your own argument.