Stop the Hate Crime

Hate Crime at Penn’s Landing in Philadelphia

On July 8, 2021, My friend visited Penn’s Landing in Philadelphia as a tourist. He was beaten by a group of teenagers there. This was happened from 6:55 pm to 7:25 pm. Without reasons, the teenagers attacked and chased my friend for more than 100 yards. Watch the video below to see the criminal scene….

80/20 rule

The 80/20 Principle: the Secret of Achieving More with Less

The 80/20 Principle is also called Pareto Principle or Pareto Efficiency. It was discovered by Vilfredo Pareto. He was born in Italy on July 15 1848 and died on August 19 1923. He was an Italian civil engineer, sociologist, economist, political scientist, and philosopher. He made several important contributions to economics, particularly in the study of income distribution. Pareto was…