我唯一确定的是我一无所知。
The only thing I'm sure of is that I know nothing.
I'm sorry mama, I never meant to hurt you. I never meant to make you cry, but tonight I'm cleaning out my closet.
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.