Mohandas karamchand gandhi commonly known as mahatma gandhi. He was one of the most prominent leaders of the indian independence movement. He led his life in the most inspirational manner and that is why he has inspired so many generations and is still doing so. Earth provides enough to satisfy every man's needs but not every man's greed. 
Do not judge others. Be your own judge and you will be truly happy. If you will try to judge others, you are likely to burn your fingers. 