The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
恐龙灭绝是因为它们没有太空计划。如果我们因为没有太空计划而灭绝,那是我们活该!
"The dead are never truly gone, they live on in the stories we tell about them."
"Silence is the perfectest herald of joy: I were but little happy, if I could say how much."
The best way to learn mathematics is to do mathematics.