Cogito Ergo Sum = " I think, therefore i am"

  René Descartes (1596-1650)

Who is Rene Descartes??? Actually he is French mathematician and philosopher, also known as Renatus Cartesius, historical artwork.

Rene Descartes, French mathematician

Descartes' most important scientific works were in mathematics. Descartes created analytical or coordinate geometry, known as Cartesian geometry, in which geometrical problems are converted into algebraic forms so that algebraic techniques may be applied to their solution. He attempted to explain planetary motions in terms of vortices surrounding the Sun, but his theory was later refuted. He is also considered the father of modern philosophy, and stated, "I think, therefore I am" = "Cogito ergo sum".

Rene Descartes' famous "I think, therefore I am"

Cogito ergo sum (French: Je pense donc je suis; English: I think, therefore I am), often stated as Dubito ergo cogito ergo sum (English: "I doubt, therefore I think, therefore I am"),  is a philosophical Latin statement used by René Descartes, which became a fundamental element of Western philosophy.


The simple meaning of the phrase is that if someone wonders whether or not he exists, that is, in and of itself, proof that he does exist (because, at the very least, there is an "I" who does the thinking).

The French philosopher whose thinking still ricochets through history

 

L’homme…. These drawings show the influence of Descartes’ knowledge of mathematics and geometry on his perception of how the body works.

Humm....so as a conclusion..The famous French philosophers, Rene Descartes, realized that he could doubt everything he believed.

The only thing left was this statement "cogito rego sum" that he could not doubt. (Doubting it confirmed it: If you doubt that you are thinking, well you are then also thinking!) get it what i mean? heheee....

So he concluded that this statement is the foundation of all truth.
   

Some pointed out that if you are thinking, there has to be something (reality) that you must be thinking about, so thinking could not be the only thing you know for certain. Others deny that knowledge needs any foundation at all. =)