When you are tough on yourself, life is going to be infinitely easier on you.
Zig Ziglar

Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough emission standards from man-made sources.
Ronald Reagan

I have been up against tough competition all my life. I wouldn't know how to get along without it.
Walt Disney

If you think your teacher is tough, wait until you get a boss. He doesn't have tenure.
Bill Gates

We have a problem. 'Congratulations.' But it's a tough problem. 'Then double congratulations.'
W. Clement Stone

Strong managers who make tough decisions to cut jobs provide the only true job security in today's world. Weak managers are the problem. Weak managers destroy jobs.
Jack Welch

Tough times never last, but tough people do.
Robert H. Schuller

Again and again, the impossible problem is solved when we see that the problem is only a tough decision waiting to be made.
Robert H. Schuller

Poets are like baseball pitchers. Both have their moments. The intervals are the tough things.
Robert Frost

I came from a real tough neighborhood. I put my hand in some cement and felt another hand.
Rodney Dangerfield

It's tough to stay married. My wife kisses the dog on the lips, yet she won't drink from my glass.
Rodney Dangerfield

I'm aware if I'm playing at my best I'm tough to beat. And I enjoy that.
Tiger Woods

Human kindness has never weakened the stamina or softened the fiber of a free people. A nation does not have to be cruel to be tough.
Franklin D. Roosevelt

Life is tough, but it's tougher when you're stupid.
John Wayne

My grandmother was a very tough woman. She buried three husbands and two of them were just napping.
Rita Rudner

I have made the tough decisions, always with an eye toward the bottom line. Perhaps it's time America was run like a business.
Donald Trump

When somebody challenges you, fight back. Be brutal, be tough.
Donald Trump

Life's a tough proposition, and the first hundred years are the hardest.
Wilson Mizner

Truth is tough. It will not break, like a bubble, at a touch; nay, you may kick it about all day like a football, and it will be round and full at evening.
Oliver Wendell Holmes

We found that the most exciting environments, that treated people very well, are also tough as nails. There is no bureaucratic mumbo-jumbo... excellent companies provide two things simultaneously: tough environments and very supportive environments.
Tom Peters