Aristotle was a thinker who was more interested in metaphysical concepts, while Plato's thought was more based on concrete principles of the natural world. While Aristotle described the levels of reality, Plato focused on subjects such as how one could be a virtuous, and therefore "good," person.
Pascal was a mathematician, so he obviously focused therefore much more on physical reality and concrete and empirical principles. He says, "But in the intuitive mind the principles are found in common use and are before the eyes of everybody" (Pascal, 1660, p. 1).
When one is awake, what does one do This notion that consciousness is not accounted for, or the persistence of memory, is important as one seeks to find out what underlies the core of these two authors.
Descartes most likely used more indirect means of philosophizing. Meanwhile, Pascal would have been deliberately direct and forthcoming, as a mathematician who drew on his knowledge of the sciences in order to derive his conclusions.
The differences between Descartes and Pascal are vast, mainly because Pascal was first and foremost in his heart a scientist. Descartes was at his core, however, a thinker-a logician of the highest quality.