The very greatest things - great thoughts, discoveries, inventions - have usually been nurtured in hardship, often pondered over in sorrow, and at length established with difficulty.
Samuel SmilesTrue politeness is consideration for the opinions of others. It has been said of dogmatism that it is only puppyism come to its full growth; and certainly the worst form this quality can assume is that of opinionativeness and arrogance.
Samuel Smiles