1. Many people accomplish nothing because they underestimate their abilities and belittle themselves, thus narrowing their achievements. The only obstacle to tomorrow is to doubt today.

2. Whoever gives up halfway and wavers in confidence is a weak-willed person; Whoever makes up his mind and lacks flexibility is a fool. -Knowles

3. The higher the status, the higher the self-evaluation, the stronger the self-confidence and the stronger the ability. We can always show harmony and equality with the environment. -Herzlitt

4. A broad-minded person is likely to be smart in thought; Only a confident and powerful person can be handsome in appearance.

Man can control his own destiny. If we are controlled by others, the fault is not fate, but ourselves. -Shakespeare

6. If you think you can, you can; If you think you can't; You can't. Davis

7. Believe in your own ideas and believe that what you are looking for in your heart must also be suitable for others. This is a genius. Emerson

Only with the support of great confidence can inventors have the courage to advance in the unknown world.

9. The most important thing in life is to have a lofty goal and achieve it through talent and perseverance. Johann Wolfgang von Goethe

10, those who try to do something but fail are much better than those who succeed without trying at all.

1 1. Lack of self-confidence often leads to some budding talents being strangled by themselves.

12, a person can't bring confidence to others unless he has confidence; Only the persuaded can convince others.

13, one hundred people full of confidence and determination are much better than ten thousand cautious and respectable people. Sinclair

14, those who try to do something but fail are much better than those who try to succeed with nothing. Louis hammer

15, Columbus discovered a world, but he didn't use charts. He solved the doubts in the sky with "confidence". -Santayana