To be prepared for war is one of the most effective means of preserving peace.
自己不能胜任的事，切勿轻易答应别人;既经允诺，就必须实践自己的诺言。
The only real happiness comes from squandering ourselves for a purpose.
我正充实地生活着，不会浪费任何时间。
Ninety-nine percent of the troubles that threaten our civilization come from too optimistic, therefore we should have a system where the accounting is a way more conservative.
建筑应当诉说它的时代和地点，但渴望永恒。