The passage adds: Reason now leads me to think that I should hold back my assent from opinions which are not completely certain and indubitable just as carefully as I do from those which are patently false. Based on this principle, he can be the cause of the objective reality of any idea that he has either formally or eminently.
Geometrical ideas are paradigm examples of innate ideas. Moments of epistemic pessimism: When no longer directly attending — no longer perceiving the proposition clearly and distinctly — I can entertain the sceptical hypothesis that such feelings of cognitive luminance are epistemically worthless, indeed arising from a defective cognitive nature.
Stephen Gaukroger Cambridge, Some formulations of dreaming arguments are indeed self-refuting in this way. Furthermore, it seems, independently of questions about degrees of luck, we must distinguish between different kinds of luck.
The second implication is that he should desire only those things that are within his power to obtain, and so he should control his desires rather than try to master things beyond his control.
A belief is adroit if and only if it is produced skillfully. A more serious counterexample has been suggested by Colin Radford