Perseverance, the stone can be carved. Lily has the idea of flowering, and constantly strives to absorb water and sunshine, which embodies the spirit of "perseverance". In the end, lily can produce beautiful flowers, which is the achievement of "carving with one stone" "Perseverance, a stone can be carved" means persistent efforts, even hard stones can be chiseled through. Emphasize the importance of perseverance and perseverance.