Tweet My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists. Quote by Nikola Tesla. You May Also Like...The secret of change is to focus all of your energy, not on fighting the old, but on building the new.The more I see, the less I know for sure.Conquering others takes force, conquering yourself is true strength.That which does not kill us makes us stronger.Where there is shouting, there is no true knowledge.If you want to find the secrets of the universe, think in terms of energy, frequency and vibration.The most important knowledge is that which guides the way you lead your life.Nature may reach the same result in many ways.Money does not represent such a value as men have placed upon it. All my money has been invested into experiments with which I have made new discoveries enabling mankind to have a little easier life.