最重要的事是保持積極，期望你的心靈保持活躍。 I think the most important thing is to keep active and to hope that your mind stays active.

最重要的事是保持積極，期望你的心靈保持活躍。 I think the most important thing is to keep active and to hope that your mind stays active. 
英國保育專家 珍古德 Jane Goodall