人们生产生活资料的方式首先取决于他们发现并必须再生产的实际手段的性质。
我们今天做的每一个决定都塑造着我们留下的世界。
If you want to make a difference, you have to be willing to take risks.
Success is a state of mind. If you want success, start thinking of yourself as a success.