Six hours sleep for a man, seven for a woman and eight for a fool.

The highest wisdom has but one science - the science of the whole - the science explaining the whole creation and man's place in it.

Wisdom cries out in the streets, and no man regards it.

The foolish man conceives the idea of 'self.' The wise man sees there is no ground on which to build the idea of 'self;' thus, he has a right conception of the world and well concludes that all compounds amassed by sorrow will be dissolved again, but the truth will remain.

The beauty of a cuckoo is in its notes, that of a woman in her unalloyed devotion to her husband, that of an ugly person in his scholarship, and that of an ascetic in his forgiveness.

Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason.