The Power of Pressing Hard can never be Over-Emphasized. Many never try their best to reach farther because they believe it isn't easy. True though... But what one needs to press Harder is to get engulfed with Passion. Only Passion can help you stay through when it comes to Pressing Hard and reaching for One's Goal.
Note that there is a Big difference between Pressing Hard and facing Hardship. The two have basic differences the first is putting oneself under subjection towards reaching a greater height while the later is been faced with Problems very difficult to overcome.