He is not only dull himself, but the cause of dullness in others.
Cause Quotes
One person plus one typewriter constitutes a movement.
Great causes and little men go ill together.
It is not a field of a few acres of ground, but a cause, that we are defending, and whether we defeat the enemy in one battle, or by degrees, the consequences will be the same.
A bad cause will never be supported by bad means and bad men.
If you want to be an orator, first get your great cause.
No cause is helpless if it is just. Errors, no matter how popular, carry the seeds of their own destruction.
Alas, our frailty is the cause, not we: For such as we are made of, such we be. (Twelfth Night)
There is occasions and causes why and wherefore in all things. (Henry V)
The mark of the immature man is that he wants to die nobly for a cause, while the mark of a mature man is that he wants to live humbly for one.