Numbers 12:6 And he said, Hear now my words: If there be a prophet among you, I the LORD will make myself known to him in a vision, and will speak to him in a dream.

Numbers 12:7 My servant Moses is not so, who is faithful in all mine house.

Numbers 12:8 With him will I speak mouth to mouth, even apparently, and not in dark speeches; and the similitude of the LORD shall he behold: wherefore then were ye not afraid to speak against my servant Moses?

Some may say, "Well that was for then, but now that doesn't happen any more.  Such a statement is either revelation or speculation.  If they are claiming revelation, then they are claiming to be the only one who can receive revelation at the same time they are claiming that revelation is impossible.  That is not rational.  If they are claiming speculation, then their thoughts are as valid as anyone who pulls information from the air.  In other words, they are telling you not to beleive them.

 When any person reads the Bible, God speak to them through the Bible.  The Bible is not a god, but the true God does speak to every person who reads the Bible.  The problem is that so many people who read the Bible are blinded by their own theologies so that they cannot see what is written, nor can they hear God's voice.

For those who have actually stood in the presence of God seeking His face, we know that God speaks.  God directs.  He mainly speaks through the Body of Christ in the present.  We know that no person can so much as sincerely say that Jesus is Lord except by the Holy Ghost speaking through the person.  God has restored prophecy to the Church.  He has restored the word of knowledge and the word of wisdom.  He has restored the office of the apostle and the ministry of the prophet.  God speaks through all of these with great authority and accuracy. (some caveats about hearing God's Voice)

There are false prophets and false apostles and false gifts, but the false does not make the true any less true.  It is possible to discern the real from the false.  God has promised that if we seek HIM, we will find Him.  Whoever has a willing heart will find the real and the genuine and will not be deceived by the false.

 God does not show visions to every person.  He doesn't seem to always give visions to anyone.  He does, however, give visions.  And He speaks through dreams.  He speaks through a still small voice.  God speaks through His creation.  The Bible and experience show that to be true.

More Scripture through which God says that He speaks to us and leads us.