试着对事事都懂一点,对某事则无所不通。
Try to learn something about everything and everything about something.  
In the quest to understand the cosmos, we must remain humble, for every answer we find leads to a multitude of new questions.
The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.
The most important thing about a theory is that it explains the facts.