1、Cease to struggle and you cease to live.——Thomas Carlyle

　　2、The important thing in life is to have a great aim , and the determination to attain it. (Johan Wolfgang von Goethe , German Poet and dramatist)

　　3、Keep on going never give up.

　　4、It is difficulties that show what men are.——Epictetus

　　5、The world can be changed by man's endeavor, and that this endeavor can lead to something new and better .No man can sever the bonds that unite him to his society simply by averting his eyes . He must ever be receptive and sensitive to the new ; and have sufficient courage and skill to novel facts and to deal with them . (Franklin Roosevelt , American President )

　　6、Don’t part with your illusions. When they are gone you may still exist, but you have ceased to live.——Mark Twain

　　7、Never put off what you can do today until tomorrow.

　　8、Living without an aim is like sailing without a compass.Alexander Dumas (Davy de La Pailleterie, French Writer)

　　9、I want to bring out the secrets of nature and apply them for the happiness of man . I don't know of any better service to offer for the short time we are in the world .(Thomas Edison , American inventor)

　　10、Do not,for one repulse, give up the purpose that you resolved to effect.——William Shakespeare

　　11、The only limit to our realization of tomorrow will be our doubts of today .(Franklin Roosevelt , American president)

　　12、The man with a new idea is a crank until the idea succeeds .(Mark Twain ,American writer)

　　13、Never forget to say "thanks" .

　　14、The only reward of virtue is virtue; the only way to have a friend is to be one.——Emerson

　　15、Never say die.

　　16、The ideals which have lighted my way , and time after time have given me new courage to face life cheerfully 19 have been kindness , beauty and truth .(Albert Einstein , American scientist)

　　17、The important thing in life is to have a great aim,and the determination to attain it.——J.W.Goethe

　　18、Do one thing at a time, and do well.

　　19、The only limit to our realization of tomorrow will be our doubts of today.——Franklin Roosevelt

　　20、If winter comes,can spring be far behind?——P.B.Shelley

　　21、Energy and persistence conquer all things. ——Benjamin Franklin

　　22、Jack of all trades and master of none.

　　23、Believe in yourself.

　　24、If winter comes , can spring be far behind ?( P. B. Shelley , British poet)

　　25、I can because i think i can.

　　26、Progress is the activity of today and the assurance of tomorrow .(Emerson, American thinker )

　　27、I have nothing to offer but blood , toil tears and sweat .(Winston Churchill, British Politician)

　　28、Do not , for one repulse , give up the purpose that you resolved to effect .(William Shakespeare , British dramatist)

　　29、If you would go up high , then use your own legs ! Do not let yourselves carried aloft; do not seat yourselves on other people's backs and heads .(F. W . Nietzsche , German Philosopher)

　　30、Action speak louder than words.

　　31、You have to believe in yourself. That's the secret of success.——Charles Chaplin

　　32、The man who has made up his mind to win will never say “impossible”.——Napoleon

　　33、Patience is bitter, but its fruit is sweet . (Jean Jacques Rousseau , French thinker)

　　34、Don't aim for success if you want it; just do what you love and believe in, and it will come naturally.

　　35、You cannot improve your past, but you can improve your future. Once time is wasted, life is wasted.

　　36、Don't part with your illusions . When they are gone you may still exist,but you have ceased to live. (Mark Twain , American writer)

　　37、Pursue your object, be it what it will, steadily and indefatigably.

　　38、Ideal is the beacon. Without ideal, there is no secure direction; without direction, there is no life.——Lev Tolstoy

　　39、Knowlegde can change your fate and English can accomplish your future.

　　40、It is at our mother's knee that we acquire our noblest and truest and highest , but there is seldom any money in them.( Mark Twain , American writer )

　　41、Whatever is worth doing is worth doing well.

　　42、We must accept finite disappointment, but we must never lose infinite hope.——Mattin Luther King

　　43、Genius only means hard-working all one's life .( Mendeleyer , Russian Chemist)

　　44、The best preparation for tomorrow is doing your best today.

　　45、Our destiny offers not the cup of despair,but the chalice of opportunity.(Richard Nixon, American President )