No More Learning

Thus, for example, I am not obliged at
any time to imagine a _Triangle_, yet whenever I please to Consider of a
_Right-lined Figure_ having only _three Angles_, I am then _necessitated_
to allow it all those           from which I may argue rightly, _That
the Three Angles thereof are not Greater then Two Right Ones_, Tho
upon the first consideration this came not into my Thought.