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El arte de escribir consiste en decir mucho con pocas palabras.
我不是为了让人们喜欢而创作艺术,而是为了让人们思考。
The task of the teacher is to lead the student from the known to the unknown.
Reason is, and ought only to be the slave of the passions, and can never pretend to any other office than to serve and obey them.
Progress is impossible without change, and those who cannot change their minds cannot change anything.