In Judaism, there are 613 biblical commandments, and the Talmud says that the chief commandment of all is study.
“What is objectionable, what is dangerous about extremists, is not that they are extreme, but that they are intolerant. The evil is not what they say about their cause, but what they say about their opponents.”
“To hear my mother say, 'Michael is dead,' to feel and hear the tone in her voice to say her child is dead, is nothing that anyone can ever imagine.”