"i think therefore i am cogito ergo sum" in German I think, therefore I am. Cogito, ergo sum. Ich denke, also bin ich. Cogito, ergo sum. Detailed translations for "i think therefore i am cogito ergo sum" I think, therefore I am. Cogito, ergo sum. I think, therefore I am. Cogito, ergo sum. Ich denke, also bin ich. I think, therefore I am. Cogito, ergo sum. Cogito, ergo sum.