Going on a journey is very interesting, joyful, enjoyable and confidence building;
Writing letters to friends give inspiring feeling to friends and information vital;
After education, that gives real training to do independently with confidence;
Journey to new places gives practical training as how to manage oneself in new situation!
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Journey and experience in world life are like one who has landed on Moon and returned; Such a one becomes a leader to guide all of his friends and world by writings!