"So act that your principle of action might safely be made a law for the whole world"

This quote by Immanuel Kant is a call to action for people to act in a manner that is ethically reasonable and advantageous to all. He is suggesting that individuals should make every effort to act in a manner that might be used widely, as if it were a law. This implies that people must make every effort to act in a way that is helpful to all, not just themselves. Kant is recommending that people ought to show integrity and morality, which their actions should be based on principles that could be applied to everyone. He is motivating people to think beyond their own interests and to consider the interests of others. He is suggesting that individuals need to strive to act in a way that is useful to all, not simply themselves. By doing so, people can develop a better world for everybody. Kant's quote is a tip that people should make every effort to act in a way that is beneficial to all, which their actions should be based on principles that could be applied to everyone.