The mountain is self-evident, and the sea is self-evident. Teenagers don't understand the depth of father's love, and they don't know what it means to be a teenager.

"The mountains are self-evident, and the sea is self-evident. Young people don't understand the depth of their father's love, and what they know is no longer rare" is a poem, which means that the mountains and seas of nature need no words to express their greatness and profundity. As a child, due to the lack of life experience and mature thinking, it may be difficult for us to really understand the depth and importance of fatherly love. However, with the growth and accumulation of experience, we will gradually realize the true meaning of fatherly love. "The mountain is self-evident, and the sea is self-evident. Teenagers don't understand the depth of fatherly love and understand the teenagers who are no longer there." The author expresses his awe of nature by depicting its magnificent landscape. Tells the greatness of mountains and seas, but also indirectly implies fatherly love. Expressed the meaning of fatherly love that someone could not understand or comprehend when he was young. Father's love, as a special kind of affection, is the expression of father's care, care, education and selfless dedication to his children. Fatherly love is selfless care and support, sacrifice and dedication, and efforts for children's growth and happiness. Fatherly love is also a kind of strength, which brings us a sense of security, guidance and enlightenment. Only when we experience and comprehend fatherly love can we truly understand the meaning of "young people don't know what fatherly love is".