我们对明天认识的唯一限制是我们今天的怀疑。

To be a Christian without prayer is no more possible than to be alive without breathing.

译文：性格怪异，脾气不好的人，多因心胸狭窄、容不得人而终日处于不安之中，从而落得个短命的下场；语言尖酸刻薄的人，因少积口德而使得众人都远离其人，得不到别人的帮助，使得自己福分浅薄。

There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.

The holographic principle suggests that the information in a volume of space can be thought of as encoded on a boundary to that space.