The same principles that at first lead to skepticism pursued to a certain point ends in religion.
最初导致怀疑的相同原则，在一定程度上追求则会导向宗教。
The joy of science is in the journey, not just the destination.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
The deepest theorems in mathematics often have the simplest statements.
That which does not kill us makes us stronger.