necessary

Man needs difficulties they are necessary for health.

Any necessary truth, whether a priori or a posteriori, could not have turned out otherwise.

Don't necessarily avoid sharp edges. Occasionally they are necessary to leadership.

If God did not exist, it would be necessary to invent Him.

The failures and successes are necessary for learning.

Not to unlearn what you have learned is the most necessary kind of learning.

Rationalism is the enemy of art, though necessary as a basis for architecture.

Patience is necessary, and one cannot reap immediately where one has sown.

Work is a necessary evil to be avoided.

Planning cities is a necessary but risky business.

Human rights protection laws typically come under attack from those who made these laws necessary to begin with.

Start by doing what__ necessary, then what__ possible, and suddenly you are doing the impossible.

I am a good runner. There are many faster, but not so many for whom it has been as necessary to learn to become nothing but flight.

Each of us needs to find our own special gift and develop it

I am sustained by Being Necessary.

Being Necessary is food no less than cabbages and strawberry pies.

I do not think that G. H. Hardy was talking nonsense when he insisted that the mathematician was discovering rather than creating... The world for me is a necessary system, and in the degree to which the thinker can surrender his thought to that system and follow it, he is in a sense participating in that which is timeless or eternal.

Persistence is a necessary ingredient for success.