The phrase "alone suffice" is not correct in standard written English.
The correct form would be "alone suffices" or "suffice alone," depending on the intended meaning.
Example: "In this case, your efforts alone suffice to achieve the desired outcome."
Alternatives: "is enough by itself" or "is sufficient on its own."
Proceeding from this, he proposed to instill in them a proletarian consciousness and make their force alone suffice for revolution.
Take a look at the thumbnail pictures that run with the listings; these alone suffice as proof of Hong's richly textured cinematic world.
With such a safeguard, "talents for low intrigue, and the little arts of popularity, may alone suffice to elevate a man to the first honors in a single State; but it will require other talents, and a different kind of merit, to establish him in the esteem and confidence of the whole Union," Alexander Hamilton wrote, in Federalist No. 68.
Although the sugar yields are high, mechanical extrusion cannot alone suffice pretreatment of a range of lignocellulosic feedstocks with varied cellulose, hemicellulose, and lignin contents.
Aristotle shows that an opponent who claims that material and efficient causes alone suffice to explain natural change fails to account for their characteristic regularity.
And even if one assumes that brain states alone suffice for visual conscious experience ('the minimal substrate thesis' for short), one might still wonder whether neural correlates of visual consciousness systematically match the content of perceptual experience.
If the instrument is payable "to bearer," delivery alone suffices.
"On the East Side, the buildings were so exclusive, the address alone sufficed," Mr. Dolkart said.
In French law the contract alone suffices to transfer the property.
Some Sunday events require a $12.50 membership on top of a $2.50 ticket; for others, a $6.25 ticket alone suffices.
Instead, the gradient of structural energy of the system alone suffices to produce the climb motion.
