to have to; to be required or obliged to do something

required, essential, or indispensable for a particular purpose or result

need not; does not have to

certain to happen and impossible to avoid

inevitably; will certainly

indicates that something is not certain or not guaranteed to be true; maybe not

there is no need; why should (used in rhetorical questions)

essential; indispensable

to be bound to; to be sure to; inevitably

to be bound to; inevitably will; undoubtedly will

to need or require something as a necessity

needless; unnecessary

presumably; in all likelihood; surely

to be sure to; expressing a strong necessity or imperative requirement

absolutely necessary or essential; impossible to do without

to be certain of victory; to be bound to prevail

absolutely necessary or required by the circumstances; unavoidable

an item or good that is indispensable for life or a particular purpose

a condition that must be satisfied for a statement to be true or an event to occur in logic or mathematics

required course; compulsory course

describing a road, path, or entrance that is the only way to reach a destination

completely unnecessary; really no need to

mandatory or required, specifically describing an academic course or subject within a curriculum

the road one must follow; the only way

to be required to or have to do something

having set one's heart on obtaining something and being confident of success.

Khubilai Khan (1215-1294), grandson of Genghis Khan, first Yuan dynasty emperor, reigned 1260-1294

to grant whatever is asked for; to respond to every plea or request

Dong Biwu (1886-1975), one of the founders of the Chinese Communist Party

if you say too much, you're bound to slip up at some point

will die for sure; to be a goner

when things reach an extreme, they can only move in the opposite direction

to attend to everything personally

To make the most of every moment; to work with great urgency or diligence.

let's worry about it when it happens; wait until the time comes to deal with a problem

persisting in evil brings about self-destruction

to haggle over every cent (idiom)

to seek revenge for even the smallest grievance; extremely small-minded and vengeful

the realm of necessity (in philosophy)

an arrogant army is bound to lose; pride goes before a fall

like father, like son; used to mean that children often resemble or behave like their parents

an army burning with righteous indignation is bound to win

goes without saying; something that is obvious and requires no further explanation

The figurative notion that circumstances, relationships, or global trends are in a continuous state of flux and alternation.

if one had known it would come to this, one would not have acted thus; to regret vainly one's past behavior in light of current consequences

Even a wise person can make a mistake; nobody is infallible.

As the teacher, so the pupil (idiom).