This is the Classic Petra, Back to the Rock album version. This is only the lead part;
I'm pretty sure the chorus is just chords.
INTRO:
e|-10-----------|
B|--------10----|
G|-----7------7-| (12X)
D|--------------|
A|--------------|
E|--------------|
VERSE:
e|-----------------|
B|-----------7-----|
G|-7-7-7-7-9---7-9~| (2X)
D|-----------------|
A|-----------------|
E|-----------------|
[ Tab from: http://www.guitaretab.com/p/petra/376250.html ]
e|------------------|
B|-8-8-8-8-10-8-7---|
G|----------------7-| (2X)
D|------------------|
A|------------------|
E|------------------|
TURNAROUND:
e|-10----8--10-13-12-8-|-10----8-----------|
B|----10---------------|----10----10-----8-|
G|---------------------|-------------7h9---|
D|---------------------|-------------------|
A|---------------------|-------------------|
E|---------------------|-------------------|