To remember about God we have to surrender ourselves. When people are in a very dangerous situation, they naturally surrender to God. In normal life we think about God very rarely. To remember about God, purification of the heart is required.
In the whole "Bhagavad-gita" just two verses are sufficient: “Remember about Me, become My devotee...”, and “sarva-dharman parityajya…” Prabhupada says, that Krishna tells so many things, but His basic message is that we should take shelter of Him, and He will protect us. Despite Krishna repeating it again and again, we still try to keep our false independence.
Everyone of us is trying to find some shelter, and Krishna says “Do not worry”. We have to cultivate the emotion of surrender in our heart, it means that I should accept everything which is favorable for me as a devotee, and reject everything which is unfavorable. All psycho-acting substances in chocolate, tea, coffee, they all influence our mind. Surrender means personal relationship with Krishna: I want to love Him, and because He does not want me to eat, or to do something, I will not do it.
The first step in surrender is surrendering mind, it means that I reprogram my mind. I want what Krishna likes, and don’t want what He does not like. That process can take some time.
Then we should surrender our intelligence to Krishna. It means that I always understand - Krishna protects me, whatever happens with me, it’s for my good.
Then we surrender our ego – I belong to God.
The meaning of a human life is to reprogram our mind, intelligence and ego. If we do it, we will achieve something substantial in life. To become small is not so difficult, but it is still difficult for us. If we chant in a spirit of surrender to Krishna, understanding that He is protecting me, immediately He will hear us.