When you are well concentrated, even for a short moment, your mind is cleansed of greed, aversion and delusion for that short moment (of pure happiness). Cannot you keep your continuity of awareness for a longer time-span?
by Most Venerable Webu Sayadaw
You are born at a good time and in a good form of existence. Now then, emulate the wise students of the Buddha and put forth effort as strong as theirs, so that you may attain to the awakening to which you aspired.
What the Buddha taught is the way out of suffering. You don't have to know a vast amount. If you practice one meditation technique properly with strong and steadfast effort, you will come to know for yourselves that you are people of great strength. You will not have to ask others about the Dhamma teachings, and you will not even have to tell others that you are practicing.
Once you have established effort, you will not only know what good teachers told you, but you will clearly know for yourselves how the viriya iddhipada (viriya - effort, iddhipada - a factor needed for enlightenment) arises in a split-second.
When I increase effort, then the viriya iddhipada factor will increase also. And then what will happen? I will think: "With just this much effort, the viriya iddhipada factor has arisen to this extent. But my energy is not exhausted yet. There is still more. I shall increase my effort further. And the will to increase effort will arise. At this same instant effort increases. As effort increases the viriya iddhipada factor becomes stronger. When these factors have thus arisen to a very high standard, then all your aspirations can be fulfilled.
Work continuously. If you develop continuously, you will become happier and happier.
You will understand that the degree you come out of suffering depends on how much effort you put in and on how strongly the viriya iddhipada factor arises out of this effort.
There will be no more room for doubt because you have now practiced the technique and experienced it for yourselves, and so you know it. You will think, "Even in such a short time I am able to come out of suffering immediately to such an extent, but my strength is not yet exhausted." And the will to exert still more effort arises, and you will become happy with a happiness of which you will never tire.
Webu Sayadaw: And you will fight, won't you? Your enemies do attack and they attack often and with full force. Are sloth, torpor and laziness friends or foes? What do you do when they come? I think it has been some time that you haven't fought a battle?
S: This is the weapon. With this weapon you can fight your battle. With this weapon you will be victorious. If you fight with a pillow as a weapon, you cannot win.
If your limbs ache, work that you reach the state where there is no aching.
Good, good. Establish effort and meditate, work to make an end to all suffering.
May all beings be happy, Make all right efforts to be free from all impurities of the mind, and be liberated from every suffering.