If the impulse to daring and bravery is too fierce and violent, stay it with guidance and instruction.
The person attempting to travel two roads at once will get nowhere.
Human nature is what Heaven supplies.
Those whose character is mean and vicious will rouse others to animosity against them.
Human nature is evil, and goodness is caused by intentional activity.
When a man sees something desirable, he must reflect on the fact that with time it could come to involve what is detestable. When he sees something that is beneficial, he should reflect that sooner or later it, too, could come to involve harm.