optimistic all the time

Therefore, people shouldn't pay too much attention to their money. On the contrary, what they should do is to put their money to good use and try to have an optimistic outlook all the time.

因此，人们不应该太看重钱，相反，他们应该做的是把他们的钱用在正确的途径上并保持一个乐观的态度。

These folks admit to feeling grateful and sad, joyous and angry, optimistic and defeated, all at the same time; yet only half of their emotions are acceptable in the public eye.

重病患者的心情五味杂陈，她们既感激又悲伤、既欢喜又愤怒、既乐观又挫败；可是这许多感受当中，大约只有半数会在公众面前表露出来。

But the most important thing that I think I need to learn from them is keeping an optimistic mind, be kind-hearted and treasure everything we own all the time.

但是，我觉得我要向她们学习的最重要的一点是保持乐观，善良的心态，珍惜我们所拥有的一切。