柴油发动机是当今已知效率最高的原动机。

The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

The soul is not a thing apart from the body.

Reflection is not the evil. The evil is the state of reflection, and the stasis that comes with reflection.

If winning becomes too important in a game， change the rules to make it more fun. Changing rules can become the new game.