The roots of education are bitter, but the fruit is sweet.

When Pleasure is at the bar the jury is not impartial.

No science ever defends its first principles.

In order to be effective you need not only virtue but also mental strength.

Learning is not child's play; we cannot learn without pain.

While most of those who hold that the whole heaven is finite say that the earth lies at the center, the philosophers of Italy, the so-called Pythagoreans, assert the contrary. They say that in the middle there is fire, and that the earth is one of the stars, and by its circular motion round the center produces night and day.

Choice not chance determines your destiny [my family motto...credited to Aristotle]