"Patience is passion tamed." 
-Lyman Abbott

"Patience is not passive; on the contrary, it is active; it is concentrated strength."
-Edward G. Bulwer-Lytton

“The two most powerful warriors are patience and time.” 
-Leo Nikolayevich Tolstoy

“There is something good in all seeming failures. You are not to see that now. Time will reveal it. Be patient.” 

-Swami Sivananda

"Do you have the patience to wait
till your mud settles and the water is clear?

Can you remain unmoving
till the right action arises by itself?

The Master doesn't seek fulfillment,
but not seeking, not expecting,
is present, and can welcome all things."
-Lao Tzu