16. Ideal is the source of strength, the cradle of wisdom, the banner of charge, and the sword of cutting thorns.
17, the real joy of life is to die for a great goal.
18, a person's ideal ambition is often proportional to his ability.
19, the ideal of life is for the ideal life.
20. The nobler a person's ideal, the purer his life.
2 1, people need ideals, but they need to conform to natural human ideals, not supernatural ideals.