國無常強,無常弱。奉法者強則國強,奉法者弱則國弱。 
Source: "On Having Standards", in Han Feizi: Basic Writings (2003)
                                    
“White Fang knew the law well: to oppress the weak and obey the strong.”
Source: White Fang
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Jack London 77
American author, journalist, and social activist 1876–1916Related quotes
The Quran calls on the weak and oppressed to gain strength http://english.bayynat.org/TheHolyQuran/Quran_QuranCalls.htm
Source: Sociology For The South: Or The Failure Of A Free Society (1854), p. 233
                                
                                    “Once again prosperous and successful crime goes by the name of virtue; good men obey the bad, might is right and fear oppresses law.”
                                
                                
                                
                                
                                    
                                    rursus prosperum ac felix scelus virtus vocatur; sontibus parent boni, ius est in armis, opprimit leges timor.
                                
                            
                                        
                                        Hercules Furens (The Madness of Hercules), lines 251-253; (Amphitryon) 
Alternate translation: Successful and fortunate crime is called virtue. (translator unknown) 
Alternate translation: Might makes right. (translator unknown). 
Tragedies
                                    
“But when the strong were too weak to hurt the weak, the weak had to be strong enough to leave.”
                                        
                                        pg 71 
Source: The Unbearable Lightness of Being (1984), Part Two: Soul and Body
                                    
“You can’t make a weak man strong by making a strong man weak”
                                        
                                        Part I, ch. XII. 
Letters of Two Brides (1841-1842) 
Context: A country is strong which consists of wealthy families, every member of whom is interested in defending a common treasure; it is weak when composed of scattered individuals, to whom it matters little whether they obey seven or one, a Russian or a Corsican, so long as each keeps his own plot of land, blind in their wretched egotism, to the fact that the day is coming when this too will be torn from them.