The fact that without God you can do nothing is fundamental and must be proclaimed. 

Do we realize that God will call us to account for all that He has given us?

St. Isaac the Syrian prayed for the reptiles, St. Paisios was at peace with all creation, even vipers, and Fr. George Calciu befirended a cockroach while in isolation- what is our capacity to love all of creation? 

Catechism pp. 15-18

God as Maker of the Universe

The Creation of World and the Human Person

How many times should I say the Jesus prayer each day? How many prostrations should I do each day?

Can you imagine how much we have been given, how rich we are, and how indebted we are?

Be in a state of constant attention, to have your thoughts on God in your own way.

Anyone can and should pray saying, "Lord Jesus Christ, Son of God, have mercy on a sinner!" 

It is not grievous if you don't get to do your whole prayer rule, but with one condition- be in a state of awareness of God's presence. 

St. John Climacus, in Step 26 of the Ladder of Divine Ascent, provides an "alphabet for all" a combination of 24 ascetical practices meant to mortify the body, reorient our soul, and restructure our life.