We remember those people who have invited a large variety of machinery and instruments. These inventions have made our life very comfortable. Scientists, undoubtedly, were great people as they used their intelligence for the benefit of humanity and mankind.

But some people are remembered for their selfless dedications for service to humanity. They spent their entire life sharing and spreading the message of love, peace and joy. Such men are immortal. They gave their lives for the promotion of peace and prosperity.

Socrates was lived in 469 BC to 399 BC.

He was a great philosopher and popular teacher. He was born near Athens, the capital of Greece, about 2400 years ago. Not much is know about this parents and childhood. His main teachings were.

Be fearless and straightforward

Don’t believe superstitions

Don’t accept anything blindly

Believe in truth and nothing but truth

To know the truth apply your mind and think critically

People in those times were very superstitious. They thought diseases were caused by the anger of the gods. Socrates said that man’s strength lies in the power of reasoning and not in accepting things blindly. He said that the only way of discovering truth is by asking questions. This method was known as Socratic Method.

Socrates had many enemies as he challenged their sayings and thoughts. The ruling class thought that Socrates was misguiding the people. They accused him of being disrespectful to goods. They brought him to trail in the court. The judges asked him to stop his teachings. When the authorities failed in their effort to changes Socrates, they sentenced him to death by making him drink a cup of poison called `hemlock’. Socrates gladly drank the poison and while he was waiting for the poison to take effect, he continued talking to his followers.

Karl Marx period is 1818 to 1883.

Karl Marx was a German economist. He was a great political thinker and was one of the thief founders of communism.