A promise made must be a promise kept.
Philosophy begins with wonder.
The gods too are fond of a joke.
There's many a slip between the cup and the lip.
While the faculty of sensation is dependent upon the body, mind is separable from it
Now that practical skills have developed enough to provide adequately for material needs, one of these sciences which are not devoted to utilitarian ends [mathematics] has been able to arise in Egypt, the priestly caste there having the leisure necessary for disinterested research.