Black holes are not just destructive monsters; they play a crucial role in shaping galaxies.

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.

在数学中，从问题到答案的旅程往往比答案本身更具启发性。