Yes, this is something people are lenient about: lying to children. Lying to children is not permissible; neither to adults nor to children.
Category: Fiqh
Do not supplicate against your children!
Supplicating against the children is wrong!
Do not be negligent in watching over your children
[And] many of them are very negligent [of their responsibility] towards their children.
Valuable advice for teachers
O teachers, you have been entrusted with a responsibility.
Definitive proof against celebrating the birthday of the Prophet ﷺ
These are three important questions related to those who practice the innovation of celebrating the birthday of the Prophet ﷺ.
Abandoning the Sunan
Beware of abandoning the Sunan (pl. Sunnah), for indeed they are the testimonies of certainty [in eemaan].
The good servant
When Allaah تعالى wants good for a servant, He grants him three qualities: • understanding of the religion (fiqh), • detachment from worldly life (zuhd), • insight into his own flaws.
Staying up at night
Staying up at night leads to laziness during the day, preventing the fulfilment of obligatory duties concerning acts of worship, and worldly and religious affairs.
Eemaan is bare
Eemaan is bare, and its clothing is piety, its adornment is modesty, and its wealth is understanding (fiqh of the religion).
The four levels of the fast of 'Aashooraa
The fast of 'Aashooraa has four levels. The first level is to fast the 9th, the 10th and the 11th [days of Muharram].