Mental activity is the organism's dialogue with its environment.
I’m not perfect, but I’m trying.
Be realistic, demand the impossible!
出自《抱朴子·行品卷》。有强劲的胆略,和坚定的信念,便可以毫无畏惧。怀有正义,便能够为了正义视死如归。
我们今天所做的将决定未来几个世纪的气候。
You have to be willing to work hard and stay focused on your goals.