To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.

Don't let success get to your head, and don't let failure get to your heart.

男孩和他的心已经成为了朋友，彼此都无法背叛对方

The study of cognition is the study of how human beings understand their world.

人的正确功能是生活，而不是生存。