The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
当你阻止某人胡言乱语的时候,你就无法证明他是个骗子。你只是向其他人表示你害怕他说出什么。
Men marry because they are tired, women because they are curious; both are disappointed.
A philosophical problem has the form: 'I don't know my way about.'