Genius is nothing but continued attention.

Claude Adrien Helvetius
Profession: Author
Nationality: French
Some suggestions for you :
Harsh counsels have no effect; they are like hammers, which are always repulsed by the anvil.
Truth is the torch that gleams through the fog without dispelling it.
Discipline is simply the art of making the soldiers fear their officers more than the enemy.
Every man without passions has within him no principle of action, nor motive to act.