Like a prisoner who dreams that he is free, starts to suspect that it is merely a dream, and wants to go on dreaming rather than waking up, so I am c… - René Descartes

I fear being shaken out of them because I am afraid that my peaceful sleep may be followed by hard labour when I wake, and that I shall have to struggle not in the light but in the imprisoning darkness of the problems I have raised.

For I found myself embarrassed with so many doubts and errors that it seemed to me that the effort to instruct myself had no effect other than the increasing discovery of my own ignorance

No hay nada repartido de modo más equitativo en el mundo que la razón: todo el mundo está convencido de tener suficiente.

"In everyday life we must often act without delay, it is a most certain truth that when it is not in our power to discern the truest opinions, we must follow the most probable." (Discourse III, AT VI: 25/CSM I: 123)

[Descartes discusses a traveler lost in a forest to illustrate this. The traveler is lost, and he does not know how to get out of the woods. Descartes’ advice is that the traveler should pick a route, even if it is uncertain, and resolutely stick to it:

"Keep walking as straight as he can in one direction, never changing it for slight reasons even if mere chance made him choose it in the first place; for in this way, even if he does not go exactly where he wishes, he will at least end up in a place where he is likely to be better off than in the middle of a forest." (Ibid.)]