A leopard cannot change its spots A person's nature cannot change.
A light purse makes a heavy heart We cannot be cheerful when we have financial problems.
A little knowledge is a dangerous thing Knowing only a little about something can cause you to distort the truth or overestimate, misunderstand something
A loaded wagon makes no noise People who are very rich do not feel the need to speak about their wealthy as they do not feel threatened in any way
The last straw that broke the camel's back The final thing that, when added to a bad or unpleasant situation, causes failure or ruin.
The least said, the soonest mended The less you say during a quarrel, the greater chance there is for you to patch up later
The longest day must have an end All difficult jobs or situations also have an end.
The longest mile is the last mile home The nearer you are to your destination, the further away from you it seems
Laugh and grow fat Laughter creates a sense of well-being and happiness
Laugh and the world laughs with you When someone is in a happy, cheerful mood, people like being with him.
Laughter is the best medicine being cheerful is good for your total well-being
Laughter is the shortest distance between two people Laughter is the best way to break the ice between strangers or enemies
Least said, soonest forgotten The less we say about it the sooner the incident will be forgotten.
Learn to walk before you run Do not rush into things before you are ready
Let bygones by bygones One should consider forgiving one's and forget all the bad deeds done by others.
Let him who is without sin cast the first stone You qualify to judge someone only if you yourself are faultless
Let not the pot call the kettle black A person who has a fault should not point out the same fault in another; do not criticize another person as you may have the same weakness.
Let sleeping dogs lie One should preferably avoid discussing issues that are likely to create trouble.
Let the buyer beware Always be aware of what you are getting yourself into
Let us go hand in hand, not one before another Face problems together in unity, and not alone or in a spirit of enmity
Life is just a bowl of cherries Life is full of happiness and pleasure
Lightning never strikes twice in the same place The same misfortune will probably not occur again in the same place or to the same people
Like a bull in a china shop A clumsy or tactless person
Like cures like People who have been through something are usually able to help others with the same problem
Like father, like son, like mother, like daughter ( used to describe a child's behavior when he or she acts like the father or mother )
Little boys should be seen and not heard Children should not interrupt when adults are talking
Little by little and bit by bit If you persevere at something, you will gradually accomplish it
Little enemies and little wounds must not be despised Do not ignore people you have angered or hurt, however small the slight or injury, as they can harm you one day if they choose to bear a grudge
Little strokes feel great oaks Continuous effort, however small the mount, will help you achieve your greatest dreams and ambitions
Little things please little minds Childish people are thrilled by childish, petty things
Live and learn Learn as much as you can from life
Live and let live Get on with your own affairs and let other get on with theirs
Lock the stable door after the horse has bolted Once a mistake has been made or an error committed, it's too late to take precautions to prevent it from happening.
Long absent, soon forgotten If you are away for too long, people may forget you
Look at the bright side Be optimistic
Look after the pence, and the pounds will look after themselves Take care of the details and the bigger issues will be solved
Look before you leap Avoid acting hastily, without considering the possible consequences.
Look on the bright side Be positive
Look on the sunny side of life Be positive in life  
Loose lips sink ships People who talk too much may give away important secrets that could harm themselves or others
Losers weepers, finders keepers If someone loses something, he weeps -- but if someone finds it, he keeps it.
Love conquers all Love motivates people to make things work
Love covers a multitude of sins When you treat people with love, compassion, kindness, forebearing etc. you make up for a lot of your own faults because it is right to love people  
Love makes the world go round Love is the important thing in life that makes life meaningful
Love me, love my dog If we want a person's friendship we must accept him totally, faults and all.
Love sees no faults Real love does not take into account the flaws of a person
Love will find a way Love motivates people to look for solutions to all problems