心不欲杂，杂则神荡而不收；心不欲劳，劳则神疲而不入。
用心不能杂乱，杂乱则心神恍惚不能集中；用心不要劳累，劳累则精神疲倦不能有所收获。
Authentic being means accepting responsibility for making personal choices.
Solving a problem simply means representing it so as to make the solution transparent.
We don't invent our missions, we detect them.
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.