Even the bravest among us seldom have the courage to understand what we really understand. -Blanke

3. the starting point is self-improvement, and the achievement is sincere. Ying Jin

A bold opinion is like moving a piece in chess. It may be eaten by the quilt, but it is the starting point to win the game. -Goethe

The only thing I can trust is my lion-like courage and invincible working energy. -Balzac

6. The world belongs to the strong, and the strong should be above everything else. Maupassant

7. People who are not afraid of pain are stronger, and those who are not afraid of death are stronger. -Mrs Diane

When planning a great event, we must foresee the difficulties and dangers, but in practice, unless the dangers are devastating, we must ignore them. bacon