The key to security is not to trust anyone, including yourself.
安全的关键是不信任任何人,包括你自己。
A scientific man ought to have no wishes, no affections, a mere heart of stone.  
试错的成本是最低的。
"Words are the footprints of the mind."
Never underestimate the power of small, consistent improvements—they lead to big results over time.
文学的真正价值在于其提升人类精神的力量。
The only limit to our realization of tomorrow will be our doubts of today.