Example: Every human experience can be expressed in terms of paradox. The electric plug in the wall has two prongs, access to a positive and negative electrical charge. From this opposition comes the usefulness of the electric current. Day is comprehensible only in contrast to night. Masculinity has relevance only in contrast to femininity. Activity has meaning only in relation to rest. Taste is a matter of contrasts. Up is only possible in the presence of down. What would north be without south? Where would I be without you? Where is joy not bounded by sobriety?