Zeno of Citium was an ancient Greek philosopher who started the philosophy known as Stoicism. Stoicism is about finding strength within ourselves and learning to deal with life’s ups and downs. It teaches us to stay calm, think clearly, and live a balanced life. Even though Zeno lived over 2,000 years ago, his ideas still help people today.Zeno was born in 334 BCE in a place called Citium, on the island of Cyprus. His family was involved in trade, so he grew up learning about business. One day, while traveling for trade, his ship sank, and he lost everything. This event changed his life forever. Instead of giving up, Zeno saw this as a chance to start fresh and search for deeper meaning. He went to Athens, the famous city of learning, to study philosophy.In Athens, Zeno learned from different philosophers, especially a thinker named Crates, who believed in living simply and giving up things that were not necessary. Zeno agreed with some of these ideas but wanted to create a philosophy that was more practical for everyday life. He wanted people to understand their emotions, not just ignore them. This led him to create Stoicism, which balanced logical thinking and emotional control.Zeno started teaching at a place called Stoa Poikile, which means "Painted Porch." This is why the philosophy is called "Stoicism." He taught his followers how to deal with emotions, make wise choices, and live in harmony with nature. For Zeno, the most important thing was virtue—being a good person. He said that real happiness comes from developing qualities like courage, wisdom, and self-control, not from having money or fame.A key idea in Stoicism is learning to control emotions. Zeno taught that feelings like anger, fear, or jealousy can cause problems if they control us. Instead, we should understand these emotions and learn how to manage them. This helps us stay calm and make better decisions. Stoics believe that we can’t control everything that happens to us, but we can control how we react.Another important part of Zeno’s teachings is the concept of Logos, which means universal reason or order. He believed that the universe works in a logical way, and everything happens for a reason. If we live according to this order, using our rational minds, we can find peace even in difficult times. Zeno said we should focus on what we can control and accept what we cannot.Zeno also encouraged people to live according to nature. He believed that everyone has a unique role in life and should try to live according to that role. When we understand our responsibilities and fulfill them, we find true happiness. It’s not about rejecting all desires but about knowing which desires are healthy and which can lead to trouble.In Stoicism, apatheia means not letting things outside our control disturb our peace of mind. Zeno taught that we shouldn’t get too upset over things like success or failure because they are often out of our hands. Instead, we should focus on our character and how we handle situations.Zeno's ideas became very popular and were developed further by later Stoic thinkers. The Roman philosophers, like Marcus Aurelius and Seneca, used Stoic principles to help them deal with personal struggles and make wise choices as leaders. Today, many people still use Stoicism to stay calm, manage stress, and make better decisions in their daily lives.Zeno’s philosophy reminds us that while we can't control everything, we can always control our own actions and thoughts. By focusing on developing our character and staying rational, we can live a peaceful and meaningful life.