Speak only endearing speech, speech that is welcomed. Speech, when it brings no evil to others, is a pleasant thing.
Let none find fault with others; let none see the omissions and commissions of others. But let one see one's own acts, done and undone.
The thing that is disliked by me is also disliked by others. Since I dislike this thing, how can I inflict it on someone else?
'As I am, so are these. As are these, so am I.' Drawing the parallel to yourself, neither kill nor get others to kill.
All tremble at violence; all fear death. Putting oneself in the place of another, one should not kill nor cause another to kill.
Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.
Who sows virtue reaps honor.
Perhaps the main motive behind my isolation was my desire to escape from the demands of relationships, which I consider very difficult in comparison to making rockets. All I desired was to be true to my way of life, to uphold the science of rocketry in my country and to retire with a clean conscience.
We have not invaded anyone. We have not conquered anyone. We have not grabbed their land, their culture, their history and tried to enforce our way of life on them.