In this trifling affair， that misunderstandings and neglect occasion more mischief in the world than even malice and wickedness. At all events， the two latter are of less frequent occurrence.

Many will call me an adventurer, and that I am...only one of a different sort: one who risks his skin to prove his truths.

一个好的数学问题的定义是它产生的数学，而不是问题本身。