The only constraint that I have is my 53-year-old knees.

The only constraints would be building a ship that could stand the strains of this high-speed travel.

Their only constraints were to stay within the confines of the law and to avoid asking his family or friends for help.

By contrast, for almost complex surfaces, the only constraint is:

His only constraint was that four-fifths of the money go to the Treasury.

The only real constraint is that each side must have no more than 1,700 to 2,200 warheads at the end of 2012.

The only constraint, Professor Sullivan said, is the force of precedent.

Are those the only constraints you can think of?

Time is the only constraint to form a perfect link wheel.

Finally, raw processing power is not the only constraint on system performance.