技术积累是一个长期过程，不能急功近利。
Technology accumulation is a long-term process; short-term gains should not be the focus.
I'm not afraid to take a stand. Everybody, come take my hand.
Fear is not the enemy. It is the refusal to face it that destroys us.
As to the gods, I do not know whether they exist or not, nor what they are like in form; for there are many things that hinder sure knowledge, the obscurity of the matter and the shortness of human life.