"The most important thing is to stay agile."

释义：贪婪是一切邪恶的源头，孝道乃众多善行美德之首。此句将淫乱之恶归于万恶之首，将孝道列为百善之首，劝勉人们远离邪恶，修炼孝行。

The language of mathematics is universal, transcending cultural and linguistic barriers.

The balance between energy needs and environmental protection is the challenge of our time.