Forgetfulness is the loss of recollection and concentration on God resulting in poor attention over our heart and mind.

Spurious knowledge is knowledge that is unprofitable for salvation. 

Folly is to act without wisdom.

Ignorance is the failure to apply due diligence to acquire the needed knowledge for salvation.

Simple lessons on keeping the last things first.

Over-frugality is stinginess that comes from smallness of heart and ignores the needs of others.

Avarice is the love of money and possessions. 

Moral errors occur when we deviate from what is objectively good from a lack of knowledge or poorly formed conscience. 

Dearth of good actions is a scarcity and lack of good works that spring forth from a living faith.

Lethargy is drowsiness, apathy, and boredom about our work of salvation.