Philosophical knowledge is the knowledge gained by reason from concepts ; mathematical knowledge is the knowledge gained by reason from the construction of concepts.
A great while ago the world begun,
With hey, ho, the wind and the rain;
But that's all one, our play is done,
And we'll strive to please you every day.
My good friend, you are a citizen of Athens, a city which is very great and very famous for its wisdom and power - are you not ashamed of caring so much for the making of money and for fame and prestige, when you neither think nor care about wisdom and truth and the improvement of your soul?
When the act of reflection takes place in the mind, when we look at ourselves in the light of thought, we discover that our life is embosomed in beauty.
cruelty to animals is contrary to man's duty to himself, because it deadens in him the feeling of sympathy for their sufferings, and thus a natural tendency that is very useful to morality in relation to other human beings is weakened.