Why are all copper coins square?

Money needs to be used and circulated. Almost all coins in the world come down to circular design, and only the Chinese nation has chosen a circle with square holes as the final style of coins. Money with ropes running through it is naturally easy to count and carry, and as a drilling technology, casting square holes is much easier than drilling round holes.

In addition, money is the currency of commercial circulation, which is closely related to commercial behavior. The reason why it is cast into a round square hole is compared with the principle of doing business: the outer circle is inside. "

Business is dealing with people. If you want to prosper, you must be smooth, but you can't lose the purpose of making profits. This square hole represents the purpose of doing business, and its shape refers to the means of doing business. The circle is not slippery, the hole is smooth, and the circle is a standard that achieves the goal without losing credibility. The way to success is for businessmen to benefit from it without offending others. In other words, you can't do things with edges and corners, but the purpose is to hide behind your actions. This is the truth that the inside is round ... "