Teaching is the highest form of understanding.

Aristotle
Profession: Philosopher
Nationality: Greek
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To seek for utility everywhere is entirely unsuited to men that are great-souled and free.
The least initial deviation from the truth is multiplied later a thousandfold.
Each type of activity produces the corresponding sort of person.
Tis the mark of an educated mind to be able to entertain a thought without accepting it.
The weak are always anxious for justice and equality. The strong pay no heed to either.
The one exclusive sign of thorough knowledge is the power of teaching.
For the essence of a riddle is to express true facts under impossible combinations.
Think as the wise men think, but talk like the simple people do.