The intro is something like this: 

E     A     E    A (this chords are played after the Riff)

RIFF 1
E | ---------------- | 
B | ---------------- | 
G | ---0------------ | 
D | -3---3--1--3---- | 
A | ---------------- | 
E | ---------------- | 

E5
Close your eyes

Close your eyes
                   A5
Breathe the air out there
          F#5                     E5
We are free, we can be wide open 
 
       E5
For you open my eyes
         A5
To the beauty I see
           F#5
We will pray, we will stay
          E5
Wide open 

E5
Don't analyse

Don't analyse
A5
Don't go that way

Don't lead that way
F#5                                 E5
That would paralyse your evolution

(same chords)

Don't analyse
Don't analyse
Don't go that way
Don't lead that way
That would paralyse your evolution 

E5
La la la
This greatest moment
A5
La la la
The strangest day
F#5
La la la
                             E5
The greatest love of them all

La la la
This greatest moment
La la la
The strangest day
La la la
The greatest love of them all 
 
E5     A5     F#5

(same chords)

Close your eyes
Close your eyes
Breathe the air out there
Fantasize, fantasize
We are open 

For you open my eyes
To the beauty I see
We will pray, we will stay 
Together 

La la la
This greatest moment
La la la
The strangest day
La la la
The greatest love of them all

La la la
This greatest moment
La la la
The strangest day
La la la
The greatest love of them all 

E5      A5     F#5     E5 
La la la la la la la la 
La la la la la la la la