Doctors know so little and charge so much. -Mark Twain

3. Simple thinking in complexity is the difference between human and animals. -Pia

For the average person, it is no trouble to think about anything. James? Bryce

5, success is not a home run, but depends on daily and frequent hits. -Robert J. lantern ring

Knowing how to face adversity is much more important than how to accept prosperity. martine.p.seligman

7. Never measure the height of a mountain-you won't know how low it is until you reach the top. -Hamamasa

8. Don't give in, struggle, explore and discover. -poet Tennyson

9. Of all the oral and handwritten sentences, the saddest one is "I could have ..."-American poet Whittier.

10, ah! When I came to the end of my life, I found that I had never lived. Thoreau