“ I have decided to stick to love...Hate is too great a burden to bear. ”

“ Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that. ”

“ Continuous effort - not strength or intelligence - is the key to unlocking our potential. ”

“ For myself I am an optimist - it does not seem to be much use to be anything else. ”

“ Never give in. Never give in. Never, never, never, never—in nothing, great or small, large or petty—never give in, except to convictions of honor and good sense. Never yield to force. Never yield to the apparently overwhelming might of the enemy. ”

“ Success is stumbling from failure to failure with no loss of enthusiasm. ”

“ If you are going through hell, keep going. ”

“ It is not enough to win a war; it is more important to organize the peace. ”

“ Patience is bitter, but its fruit is sweet. ”

“ Hope is a waking dream. ”

“ I hear and I forget. I see and I remember. I do and I understand. ”

“ The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of the planter — for the future. His duty is to lay the foundation for those who are to come, and point the way. He lives and labors and hopes. ”