问题的根本原因在于，在现代世界中，愚蠢的人总是自信满满，而聪明的人却充满怀疑。
The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.
购买旧书，它们的词与新词相同，也可以去图书馆。
I believe in the power of positive thinking.
The future of sustainable farming lies in the balance between productivity and environmental stewardship.
Education alone is not enough to lift people out of poverty; we need to address the broader system.