Do not put forward anything that you cannot prove by experimentation.

辅时：适应时势行事。违时：违背时势行事。当时：适时。圣人行事能够适应时势，不能违背时势。聪明人善于谋划，不如利用合适的时机。

"The best way to predict the future is to invent it."

"The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember."

The stock market is a device for transferring money from the impatient to the patient.