My parents always told me I could do anything, so I never had limits on what I could or couldn't do.
There are limits to how much sound a cello can make. That's part of the framing of acoustical instruments. Finding what those limits might be, and then trying to suggest perhaps even the illusion of going beyond is part of that kind of effort.
The national will is the supreme law of the Republic, and on all subjects within the limits of his constitutional powers should be faithfully obeyed by the public servant.
Ron Paul's CPAC appearances perfectly captured the nature and limits of his political appeal. His libertarian message, non-interventionist views and devotion to the gold standard attracted a sizable, committed following, but many of the true-believers weren't actually part of the Republican Party.
Central banks need to be able to buy bonds if there are short-term malfunctions of the markets. But buying bonds without differentiation and without limits would be very problematic.
In No Limit Hold'em, much like video games and karate lessons, you need to master one level before you can move on to the next.
The Emperor Napoleon, ascending gradually from his post of national magistrate to seat himself upon a throne without limits, seems to have wished to punish, as for the abuse of republican reforms, by making us feel all the weight of absolute monarchy.
Placing limits on carbon pollution from power plants is about ensuring that we have clean air to breathe and communities that are safe to live in. Carbon pollution limits are about defending families who have borne the heaviest burden of the main pollutant that is driving climate change.
I still find it hard to push my own limits. I know where my limits are and that I always have to push myself.