2. The saying (once born, twice familiar) vividly illustrates the truth that learning skills depend on practice, learning by doing and learning by doing.

3. Hua Luogeng's famous saying, "Diligence is good training, and one point of hard work is one point of talent" encourages us (study hard and make progress every day).

4. "I am born to be useful" comes from Li Bai's poem, which can show my (self-confidence, very self-confidence) time quote.

5. (Being a man is more difficult, being a man is even more difficult, and being a successful man is even more difficult.) One sentence tells the true meaning of being a man. Be modest and prudent, guard against arrogance and rashness.