Never overtrade. To do so is to violate a fundamental rule of successful trading.

The most sustainable farm is the one that remains profitable year after year.

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这很有趣...”

【释义】如果认为眼下的荣华富贵会永远延续，不考虑未来的危机，这终究不是长久之计。