"We continue to call for Russia to abide by the August 2008 cease-fire commitment signed by President Saakashvili and President Medvedev, including ending the occupation and withdrawing Russian troops from South Ossetia and Abkhazia to their pre-conflict positions."

VOA: standard.2010.07.05

And infinite numbers of countries sign and ratify them and say "Yes, we will abide by them".

无数的国家,签署了公约，批准其生效，表明：,“是的，我们会遵守公约条款“

普林斯顿公开课 - 人性课程节选

We refuse to abide by the Geneva Conventions.

我们拒绝接受日内瓦公约。

普林斯顿公开课 - 国际座谈会课程节选