Ingratitude to God does not rely only on our refusal to give the verbal thanksgiving due to Him, but also recides in our inability to appreciate his gifts and potentials in us by leaving them untapped.
When you optimize your talents very well, you can pick money from people's pockets and nobody will ever get the guts to call you a thief.
Success is not obtained overnight. It comes in installments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.
Once you can write an alphabet, you can write a book of 100 million pages. It's just a matter of believing it as possible, and taking the cross millimetre by millimetre.