A people without children would face a hopeless future; a country without trees would face a future with even less hope.
质量不是机会;它是一种选择。
一个科学家的真正价值是由超越他的学生数量来衡量的。
Quality starts in the soil; if you take care of the land, the land will take care of you.
The most damaging phrase in the language is: 'It's always been done this way.'