在他生命的第二阶段之前，他一直保持神圣的孤独，通过强烈的内省，以一种可能永无匹敌的精神毅力坚持他的研究。
Until the second phase of his life, he was a wrapt, consecrated solitary, pursuing his studies by intense introspection, with a mental endurance perhaps never equalled.
12月31日能发生什么神奇的事情能把你变成一个能有毅力坚持每天锻炼的人，或者改变你的饮食、让你一夜就戒烟？
What will magically happen on December 31 that will transform you into a person to have the will power to exercise every day, or change your diet or stop smoking overnight?
坚持不懈是增强体力、培养耐力和毅力的关键。
Consistency is the key to getting stronger and building endurance and stamina.
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