Young people must equip themselves for life's duties and guard against its temptations.
年轻人必须为履行生活所赋予他们的职责充实自己，同时要抵制生活的诱惑。
The most necessary, the most important, the principal, the most essential thing for a musician is this: to know what he wants, what he can do, and what he ought to do.
质量是最好的商业计划。