Science may set limits to knowledge, but should not set limits to imagination. Bertrand Russell
Please don't nag yourself with thoughts of failure. Do not set goals far beyond your capacity to achieve. Simply do what you can do, in the best way you know, and the Lord will accept of your effort. Gordon B. Hinckley
Cato said, "I had rather men should ask why my statue is not set up, than why it is." Plutarch
I do not see why I should e'er turn back, Or those should not set forth upon my track To overtake me, who should miss me here And long to know if still I held them dear. They would not find me changed from him they knew - Only more sure of all I thought was true. Robert Frost
I Write those words in steel for anything else not set in metal cannot be trusted. Brandon Sanderson
Do not set the mill on fire in order to burn the mice. Romanian Proverb