Every part of our being have it limit, that's the natural condition of our being , our eyes have it limit for instance, the eye of human cannot see the ultraviolet or infrared ray of light, but a Dove can see the infrared ray of light.
So our eyes and every part of our being have limit, even our strength have .
The only thing that goes beyond our beyond is our mind, our thoughts have no limits, that's why man can dream and imagine the impossible things of life.
Biblically, God do not want us to think everything, especially think of negativity or be cruel with our thoughts, but to think of Godly things .
Biblically,our thinking must be discipline by soberness, simplicity, our thoughts should be regulated by God we aren't free to think of everything, especially those things that are bad and harmful.
No matter how unlimited our thoughts as humans could be,we can't be wiser than our creator.
Before, God our thoughts and ability is limited, because he's our creator.
There are some knowledge that are far from reach to us humans and it is for our own good
Our thoughts are regulated by God's wisdom.