He who does not know foreign languages does not know anything about his own.
Johann Wolfgang von GoetheTo understand one thing well is better than understanding many things by halves.
Johann Wolfgang von GoetheBasic characteristics of an individual organism: to divide, to unite, to merge into the universal, to abide in the particular, to transform itself, to define itself, and as living things tend to appear under a thousand conditions, to arise and vanish, to solidify and melt, to freeze and flow, to expand and contract. Since these effects occur together, any or all may occur at the same moment.
Johann Wolfgang von Goethe