The voice is an instrument that is very close to the soul.
适合从事任何特定行业的人，如果没有与他一起工作或在他之上的人的帮助和指导，就无法理解该行业的科学。
The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.