Father of modern philosophy. René Descartes was a 17th-century French philosopher, mathematician, and scientist often called the “Father of Modern Philosophy.” He believed that true knowledge had to be built on clear, rational thinking rather than tradition or assumptions. His most famous idea is “Cogito, ergo sum” — “I think, therefore I am” — which means that the act of thinking proves your own existence. Descartes also made huge contributions to mathematics by creating analytic geometry, whic

Ariel_yu on Instagram: "Cable Kickbacks Variations Know the Difference Gluteus Medius (External Rotation): 1. Set the pulley at the bottom. 2. Externally rotate your working leg to 45 degrees for better gluteus medius engagement. 3. Kick at a 45-degree angle to engage the gluteus medius. Gluteus Maximus (Straight Kickback): 1. Set the pulley at or slightly below hip level to ensure a straight kickback. 2. Step down with your working leg for stability. 3. Kick straight back to maximize gluteus ma