If the strong exploit the weak, democracy will not be stable. Condoleezza Rice
It has been often stated that a social order is likely to be stable so long as it gives scope to talent. Actually, it is the ability to give scope to the untalented that is most vital in maintaining social stability. Eric Hoffer
A world in which one percent of humanity controls as much wealth as the other 99 percent will never be stable. Barack Obama
If our moral attitudes are entirely the result of nonrational factors, such as gut feelings and the absorption of cultural norms, they should either be stable or randomly drift over time, like skirt lengths or the widths of ties. They shouldn't show systematic change over human history. But they do. Paul Bloom
We see evidence that lakes and forests and wetlands can have different equilibria - so you have a savanna system that may be stable and thriving, but it can also tip over and become an arid steppe if pushed too far by warming, land degradation, and biodiversity loss. Johan Rockstrom
It's our vanity that makes us think that what forms part of our world today must be stable and secure. Norman Davies