Life is life - whether in a cat, or dog or man. There is no difference there between a cat or a man. The idea of difference is a human conception for man's own advantage.
We often confuse spiritual knowledge with spiritual attainment. Spirituality is not a matter of knowing scriptures and engaging in philosophical discussions. It is a matter of heart culture, of unmeasurable strength.
As a general rule, the longer a man's fame is likely to last, the later it will be in coming; for all excellent products require time for their development.
The Greeks, with their truly healthy culture, have once and for all justified philosophy simply by having engaged in it, and having engaged in it more fully than any other people.