最大的风险就是不冒任何风险。

孩子能独立活动时，父母可带领孩子一同认识世界。

The only way to have a friend is to be one.

A man is but the product of his thoughts. What he thinks， he becomes.

Find more pleasure in intelligent dissent than in passive agreement, for, if you value intelligence as you should, the former implies a deeper agreement than the latter.

在科学中最令人兴奋的短语，预示着新发现的不是“我找到了！”，而是“这有点奇怪……”

When you have some success， the feeling of being an imposter can be real. Who am I fooling？ But when you create things that only you — with your unique talents and experience — can do， then you are absolutely not an imposter. You are the ordained. It is your duty to work on things that only you can do.