We all trust each other to some extent. We have to rely on experts to some extent, but we should learn to be sceptical.
A person may say I am not much concerned how long I stay in purgatory, provided I may come to eternal life. Let no one reason thus. Purgatory fire will be more dreadful than whatever torments can be seen imagined, or endured in this world. He who is afraid now to put his finger into the fire, does he not fear lest he be then all buried in torments for a long time?