There is possibility in every difficulty.
Necessity is the mother of all invention.
If you took half of something and continued to take half of that half and so on, you would never reach an end.
Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.
People will not disarm step by step; they will disarm at one blow or not at all.
If we trace out what we behold and experience through the language of logic, we are doing science; if we show it in forms whose interrelashionships are not accessible to our conscious thought but we are intuitively recognized as meaningful, we are doing art.