If a man knows where to get good advice, it is as though he could supply it himself.

Even though the world as a whole progresses, youth must always start again from the beginning, and as individuals go through the epochs of the world's culture.

A man's name is not like a mantle which merely hangs about him...but a perfectly fitting garment, which, like the skin, has grown over him, at which one cannot rake and scrape without injuring the man himself.

To hard necessity ones will and fancy must conform.

Every day we should hear at least one little song, read one good poem, see one exquisite picture, and, if possible, speak a few sensible words.

Science arose from poetry... when times change the two can meet again on a higher level as friends.

If you want to make life easy, make it hard.