勇敢并不意味着你不害怕。它意味着即使你害怕也要继续前进。
Brave doesn't mean you're not scared. It means you go on even though you're scared.
坚持是数学研究的关键,许多伟大的成果来自于长期的奋斗。
The strength of a response tendency depends on the amount of reinforcement received.
数字世界的货币是信任。