There are many sparks of sanctity in each person in [a] group. And when you collect all the sparks of sanctity into one place, as brothers, with love… - Yehuda Ashlag

It is well known to researchers of nature that one cannot perform even the slightest movement without motivation, meaning without somehow benefiting oneself. When, for example, one moves one’s hand from the chair to the table it is because one thinks that by putting one’s hand on the table one will thus receive greater pleasure. If one would not think so, one would leave one's hand on the chair for the rest of one's life without moving it an inch, all the more so concerning greater efforts.

Had Israel not sinned, they would have been given only the five books of Moses and the book of Joshua.

[T]he thought of creation itself dictates the presence of an excessive will to receive in the souls, to fit the immense pleasure that the Creator thought to bestow upon them. For the great delight and the great desire to receive must go hand in hand.