That which the majority of the Muslims are upon from the Salaf and the Khalaf is that Allāh the Exalted creates for a wisdom and commands for a wisdom.

When a man suffers from what is called “influenza”—this being an illness despite which a man is still able to leave his house, though it is a “contagious illness” as the doctors say—would it be permitted for this man to pray in his house...

However, it is not the case that a healthy person, merely by mixing with a person who has a transmissible disease, that this disease will necessarily transmit to this healthy person.

They used to believe that when the sick person mingled with the healthy, he would make them become sick and pass his disease to them. Likewise [did they believe] regarding camels. So the Prophet [sas] negated that and falsified it.

His saying: “There is no contagion”, he means by it that nothing transmits [what it has] to anything else such that harm comes from its direction.

[Go ahead], flee from the leper as you would flee from a lion, (for its meaning) is that there is no contagion, he will not pass [his leprosy] to you...

The servant is ordered to take caution against the apparent causes of evil and to avoid them to the extent that is related in the Sharīʿah.

That which is legislated is the avoidance of what is apparent [of these harms] and to take caution to the extent that is related in the Sharīʿah.

When it is said that he was born upon the fiṭrah (original, innate disposition) or that he was created ḥanīf (upright) and what is similar, the intent behind this...

The Mutakallimūn (speculative theologians) spoke on the first obligation and under the influence of their kalām theology asserted that the first obligation is to prove Allāh’s existence.