To enjoy freedom we have to control ourselves.
To see clearly is to see differently.
可持续性必须成为我们在这个行业中每个决策的基础。
Thank God, under our Constitution there was no connection between church and state.
集中注意力的能力对于学习、记忆和复杂任务的表现至关重要。
All earthly existence must ultimately be contained in a book.