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The threats of the stars are nullified by prudence and temperance. 110
The proportion of black bile original: "Atrae bilis." Black bile was one of the four humors in ancient medicine, associated with the melancholic temperament.. 10. 11
Black bile is twofold. 9
Diseases of black bile. 10
The harms of black bile. 34
Precepts for avoiding black bile. 23. 24. 25
How black bile may make men gifted original: "ingeniosos." This refers to the Renaissance idea that melancholy was linked to creative genius.. 12. 13
In what way black bile benefits the intellect. 12. 13
Black bile that weakens the intellect should not be drawn out suddenly, but gradually. 34
Black bile is likened to the earth. 6
The cure for black bile. 34. 35. 36
The quality and remedies of black bile. 24. 25
A saying of Avicenna A famous Persian physician and philosopher (c. 980–1037) whose medical canon was foundational in the West.. 278
Gold pertains to Jupiter and the Sun. 193
Gold is similar to the Sun. 127
The properties of gold. 76. 318
A description of potable gold term: "potable gold" (aurum potabile). A liquid alchemical preparation of gold believed to have life-prolonging properties.. 76
The rule for making potable gold. In the same place.
The dawn is a friend to studies. 17. 18.
The appropriate hour for reading authors. 21
Which opportunity for Bathing is preferable. 157
The tempering of Heat to the humors. 53. 54.
The fuel of natural heat. 55
The time for gray hair is not the same for everyone. 96
The rise of gray hair in youths. 96
The cure for the bite of a rabid dog. 78. 79
The power of singing and the lute. 25. 26
To affect through song. 222. 223
Song as a solace for labors. 95
Song and words have great power for capturing celestial benefits. 217. 218
A remedy for headache. 31. 32
Medicines for warming the head. 51.