The past is past, and the future is yet to come. That means the future is in your hands - the future entirely depends on the present. That realization gives you a great responsibility.
Philosophical knowledge is the knowledge gained by reason from concepts ; mathematical knowledge is the knowledge gained by reason from the construction of concepts.
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.
Socrates.- If all goes well, the time will come when one will take up the memorabilia of Socrates rather than the Bible as a guide to morals and reason... The pathways of the most various philosophical modes of life lead back to him... Socrates excels the founder of Christianity in being able to be serious cheerfully and in possessing that wisdom full of roguishness that constitutes the finest state of the human soul. And he also possessed the finer intellect.