1.Every minute/moment counts. 
争分夺秒。

2.Slow but steady wins the race. 
稳扎稳打。

3.True happiness lies within you. 
真正的快乐发自内心。

4.Happiness depends upon ourselves. 
快乐源于内心。

5.What you believe, you can achieve. 
有志者，事竟成。

6.A sure friend is known in unsure times. 
患难见真情。

7.Suffering is needed to succeed. 
要成功必先承受磨难。

8.Never forget how rare you are. 
勿忽视自身独特之处。

9.Nothing ventured, nothing gained. 
不入虎穴焉得虎子。

10.Fortune sides with him who dares. 
不入虎穴焉得虎子。

11.Well done is better than well said. 
说得好不如做得好。

12.A good start is half the battle. 
开局顺利便已成功一半。

13.Choose kindness and laugh often. 
与人为善，笑口常开。

14.To err is human; to forgive, divine. 
人非圣贤，孰能无过。

15.No bees, no honey, no work, no money. 
不劳动者不得食。

16.Everything is possible for a willing heart. 
有志者事竟成。

17.Strive for progress, not perfection. 
力求进步，不图完美。

18.Those who rush ahead do not get very far. 
欲速则不达。

19.A man of courage is also full of faith. 
勇敢者必信念坚定。

20.To lose patience is to lose the battle. 
丧失耐心必败无疑。