Never undertake anything unless you have the heart to ask Heaven's blessing on your undertaking.
The most successful tempters and thus the most dangerous are the deluded deluders.
The man was such an intellectual he was of almost no use.
One of our forefathers must have read a forbidden book.
Erudition can produce foliage without bearing fruit.
Nothing makes one old so quickly as the ever-present thought that one is growing older.