我们的责任不仅限于我们的运营,还包括客户如何使用我们的产品。
我天生不是一个政治人物。我不认为作家应该是政治人物。但在南非,你无法将政治排除在你的生活之外。
You are always a valuable, worthwhile human being — not because anybody says so, not because you're successful, not because you make a lot of money — but because you decide to believe it and for no other reason.
The probability of a response is determined by its reinforcement history.