Blessed are the merciful: for they shall obtain mercy (Matthew 5:7)
Blessed are the pure in heart: for they shall see God (Matthew 5:8)
Blessed are the peacemakers: for they shall be called the children of God (Matthew 5:9)
Judge not, that ye be not judged. For with what judgment ye judge, ye shall be judged: and with what measure ye mete, it shall be measured to you again. (Matthew 7:1-2)
The spirit is willing enough, but human nature is weak (Matthew 26:41)
Greater love has no man than this, that a man lay down his life for his friends.
(John 15.13)
Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you: For every one that asketh receiveth; and he that seeketh findeth; and to him that knocketh it shall be opened (Matthew 7:7-8)
Love your enemies, do good to those who treat you badly. To anyone who slaps you on one cheek, present the other cheek as well. (Luke 6:27)