A prince who will not undergo the difficulty of understanding must undergo the danger of trusting

Most men make little use of their speech than to give evidence against their own understanding

They who are of the opinion that Money will do everything, may very well be suspected to do everything for Money.

It is decidedly rude to make mistakes in e-mail, because the recipient will then have difficulty reading and understanding the message.

I attempted to take a required math course during my first semester, dropped the class after having difficulty understanding my professor.

No man who is occupied in doing a very difficult thing, and doing it very well, ever loses his self-respect.