"All, all is theft, all is unceasing and rigorous competition in nature the desire to make off with the substance of others is the foremost - the most legitimate - passion nature has bred into us and, without doubt, the most agreeable one."

"Happiness is ideal, it is the work of the imagination."

"Happiness lies neither in vice nor in virtue but in the manner we appreciate the one and the other, and the choice we make pursuant to our individual organization."

"The primary and most beautiful of Nature's qualities is motion, which agitates her at all times, but this motion is simply a perpetual consequence of crimes, she conserves it by means of crimes only."

"The illness, and the untimely death of my brothers, has made me conscious of the fact that - rather than just think about it - it's crucial that you do today what you want to do."

"The experiences associated with death were seen as visits to important dimensions of reality that deserved to be experienced, studied, and carefully mapped."

"Sin brought death, and death will disappear with the disappearance of sin."

"Without health life is not life it is only a state of langour and suffering - an image of death."