A proposition is an assertion that something is or is not the case.
命题是断言某事是或不是事实的陈述。
变得更幸福既需要意愿也需要正确的方法。
"There is music in silence, if you listen carefully enough."
We must balance energy supply with environmental protection.
"To be forgiven is only half the gift. The other half is that we also can forgive, restore the lost, and mend the broken."
Hatred destroys only the hater.