When you were born you were crying and everyone else was smiling. Live your life so at the end, your're the one who is smiling and everyone else is crying.

Ralph Waldo Emerson
Profession: Poet
Nationality: American

Some suggestions for you :
Men admire the man who can organize their wishes and thoughts in stone and wood and steel and brass.
What lies behind us and what lies before us are tiny matters compared to what lies within us.
Peace cannot be achieved through violence, it can only be attained through understanding.
If I have lost confidence in myself, I have the universe against me.
There never was a child so lovely, but his mother was glad to get him asleep.
What would be the use of immortality to a person who cannot use well a half an hour?
When nature has work to be done, she creates a genius to do it.