The most important rule is to ...

The most important rule is to formulate, clearly and precisely, the goal to be reached, and then to retain it unswervingly in mind throughout all the stages of the execution, which are often long and complex.
The most important rule is to formulate, clearly and precisely, the goal to be reached, and then to retain it unswervingly in mind throughout all the stages of the execution, which are often long and complex.
 Roberto Assagioli

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
Don't settle in the land of barely enough. That is where you are, it is not who you are. That's your location, it's not your identity. No matter what it looks like, have an abundant mentality.
Everything in your life, every experience, every relationship is a mirror of the mental pattern that is going on inside of you.

Quotes from the same author

A person who is able to be a living centre of peace in today's world and who is able to radiate that peace powerfully, ceaselessly, will be in a position to give needy mankind the benefit it lacks most and is in greatest need of.
 Roberto Assagioli
The will is not merely assertive, aggressive, and controlling. There is the accepting will, yielding will, the dedicated will. You might say that there is a feminine polarity to the will – the willing surrender, the joyful acceptance of the other functions of the personality.
 Roberto Assagioli
It's people like that who make you realize how little you've accomplished
 Roberto Assagioli
From a still wider and more comprehensive point of view, universal life itself appears to us as a struggle between multiplicity and unity - a labor and an aspiration towards union. We seem to sense that - whether we conceive it as a divine Being or as a cosmic energy - the Spirit working upon and within all creation is shaping it into order, harmony, and beauty, uniting all beings (some willing but the majority as yet blind and rebellious) with each other through links of love, achieving - slowly and silently, but powerfully and irresistibly - the Supreme Synthesis.
 Roberto Assagioli
Only the development of his inner powers can offset the dangers inherent in man's losing control of the tremendous natural forces at his disposal and becoming the victim of his own achievements.
 Roberto Assagioli