Knowing how to face adversity is far more important than how to accept prosperity. [Martin seligman]

Never measure the height of a mountain, you will know how low it is unless you reach the top. [Hamamasa]

Strive, seek, discover, and never give up. [Poet Tennyson]

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

Ah! When I came to the end of my life, I found that I had never lived. [Thoreau]

Good wood will not grow in prosperity; The stronger the wind, the stronger the tree. [marriott]