Taking a number adding 20% and then subtracting 20% from that sum does not give you the original number.
Sometimes some damages done leave an indelible mark, even when you try to undo them, you will not get back to the original situation.
Be careful what you say because once said you cannot undo the damage.
PS: Sometimes it is not about keeping your views quiet but cleansing your views.
Image by VolensNolens