“ It is unwise to be too sure of one's own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err. ”

“ The greatness of a nation and its moral progress can be judged by the way its animals are treated. ”

“ The highest result of education is tolerance ”

“ If it is not right do not do it; if it is not true do not say it. ”

“ When you are content to be simply yourself and don't compare or compete, everyone will respect you. ”

“ Never make someone a priority when all you are to them is an option. ”

“ I speak to everyone in the same way, whether he is the garbage man or the president of the university. ”

“ Raise your words, not voice. It is rain that grows flowers, not thunder. ”