An inventor's endeavor is essentially lifesaving. Whether he harnesses forces, improves devices, or provides new comforts and conveniences, he is adding to the safety of our existence. He is also better qualified than the average individual to protect himself in peril, for he is observant and resourceful.
I will tell you what I will do and what I will not do. I will not serve that in which I no longer believe, whether it calls itself my home, my fatherland, or my church: and I will try to express myself in some mode of life or art as freely as I can and as wholly as I can, using for my defense the only arms I allow myself to use -- silence, exile, and cunning.
Every human being should know two languages: the language of society and the language of signs. One serves to communicate with other people, the other serves to understand God's messages.
To predict the behavior of ordinary people in advance, you only have to assume that they will always try to escape a disagreeable situation with the smallest possible expenditure of intelligence.
If you can cultivate the right attitude, your enemies are your best spiritual teachers because their presence provides you with the opportunity to enhance and develop tolerance, patience and understanding.