Still clinging to his dream of becoming a scientist, at that time he didn't even think about geography, generally classified as a social science, and instead brainstormed until he found a less popular subject that would allow him to travel around Taiwan: geology.
仍舊懷抱自然科學家之夢的他，當時根本不考慮一般歸屬於社會組的地理學，而是把腦筋動到了可以藉此遊歷台灣的、比較冷門的地質學上頭。