Your present state determines your future.

The only fence against the world is a thorough knowledge of it.

I cannot but be astonished that Socrates， after having so often repeated to his fellow citizens that he did not pretend to any wisdom， but had been appointed by the gods to a mission of benevolence towards them， should have been condemned to death.

到达另一边的唯一方法就是穿过那扇门。