现在已经清楚,杂种形成的种子具有两个分化性状中的一个或另一个。
There is no absolute fairness in life, but it is relatively fair.
Life does not ask what we want. It presents us with options.
In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.《Steel and Strategy》