There are different spiritual gifts, but the same Spirit gives them.
There are different ways of serving, and yet the same Lord is served.
There are different types of work to do, but the same God produces every gift in every person.
The evidence of the Spirit's presence is given to each person for the common good of everyone.
The Spirit gives one person the ability to speak with wisdom. The same Spirit gives another person the ability to speak with knowledge.
To another person the same Spirit gives [courageous] faith. To another person the same Spirit gives the ability to heal.
Another can work miracles. Another can speak what God has revealed. Another can tell the difference between spirits. Another can speak in different kinds of languages. Another can interpret languages.
There is only one Spirit who does all these things by giving what God wants to give to each person.