“Be vigilant; guard your mind against negative thoughts.”
Buddha
“Don't be a cynic and disconsolate preacher. Don't bewail and moan. Omit the negative propositions. Challenge us with incessant affirmatives. Don't waste yourself in rejection, or bark against the bad, but chant the beauty of the good.”
Ralph Waldo Emerson
“A pessimist thinks everybody is as nasty as himself, and hates them for it.”
George Bernard Shaw
“We can't all, and some just don't. That's all there is to it.”
A. A. Milne
“Are you a SNIOP? Someone who is Sensitive to the Negative Influence Of Others?”
Zig Ziglar
“Never neglect details. When everyone's mind is dulled or distracted the leader must be doubly vigilant.”
Colin Powell
“Justice does not help those who slumber but helps only those who are vigilant.”
Mahatma Gandhi