Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
水产养殖是农业的下一个前沿领域。
做音乐不是为了取悦别人，而是为了表达自己。
The night is a great mirror, but the stars are its reflections.
"La imaginación es el arma más poderosa que tenemos."