THE TRINITY IN SIX STATEMENTS

'...summarizing the doctrine in six statements:

1. In Scripture there are three who are recognized as God.
2. These three are so described in Scripture that we are compelled to conceive of them as distinct persons.
3. This tripersonality of divine nature is not merely economic and temporal, but it immanent and eternal.
4. This tripersonality is not tritheism, for while there are three persons, there is but one essence.
5. The three persons - Father, Son, and Holy Spirit - are equal. 
6. Inscrutable and yet not contradictory, this doctrine furnishes the key to all other doctrines.'

Augustus Hopkins Strong in Fred Sanders, The Triune God, p.173.